Deprecate DexEncodedMethod#isStaticMethod.

Use overridden version of DexDefinition#isStatic instead.
(This CL is a mechanical refactoring.)

Change-Id: I23aebb5a49eacfd264f95081648e831e4cc1d27a
diff --git a/src/main/java/com/android/tools/r8/graph/AppInfo.java b/src/main/java/com/android/tools/r8/graph/AppInfo.java
index f594c71..1ca8a58 100644
--- a/src/main/java/com/android/tools/r8/graph/AppInfo.java
+++ b/src/main/java/com/android/tools/r8/graph/AppInfo.java
@@ -112,7 +112,7 @@
   public DexEncodedMethod lookupStaticTarget(DexMethod method) {
     ResolutionResult resolutionResult = resolveMethod(method.holder, method);
     DexEncodedMethod target = resolutionResult.asSingleTarget();
-    return target == null || target.isStaticMethod() ? target : null;
+    return target == null || target.isStatic() ? target : null;
   }
 
   /**
@@ -145,7 +145,7 @@
     }
     resolutionResult = resolveMethod(contextClass.superType, method);
     DexEncodedMethod target = resolutionResult.asSingleTarget();
-    return target == null || !target.isStaticMethod() ? target : null;
+    return target == null || !target.isStatic() ? target : null;
   }
 
   /**
diff --git a/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java b/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java
index a4986a5..3d83104 100644
--- a/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java
+++ b/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java
@@ -213,15 +213,6 @@
     return (accessFlags.isPrivate() || accessFlags.isConstructor()) && !accessFlags.isStatic();
   }
 
-  /**
-   * Returns true if this method can be invoked via invoke-static.
-   */
-  // TODO(jsjeon): deprecate this, and use isStatic() instead.
-  public boolean isStaticMethod() {
-    checkIfObsolete();
-    return accessFlags.isStatic();
-  }
-
   @Override
   public boolean isStatic() {
     checkIfObsolete();
diff --git a/src/main/java/com/android/tools/r8/ir/desugar/LambdaDescriptor.java b/src/main/java/com/android/tools/r8/ir/desugar/LambdaDescriptor.java
index e16e2d5..6836ad3 100644
--- a/src/main/java/com/android/tools/r8/ir/desugar/LambdaDescriptor.java
+++ b/src/main/java/com/android/tools/r8/ir/desugar/LambdaDescriptor.java
@@ -130,7 +130,7 @@
 
   private boolean isInstanceMethod(DexEncodedMethod encodedMethod) {
     assert encodedMethod != null;
-    return !encodedMethod.accessFlags.isConstructor() && !encodedMethod.isStaticMethod();
+    return !encodedMethod.accessFlags.isConstructor() && !encodedMethod.isStatic();
   }
 
   private boolean isPrivateInstanceMethod(DexEncodedMethod encodedMethod) {
diff --git a/src/main/java/com/android/tools/r8/ir/optimize/CodeRewriter.java b/src/main/java/com/android/tools/r8/ir/optimize/CodeRewriter.java
index 194558e..3a4e4e3 100644
--- a/src/main/java/com/android/tools/r8/ir/optimize/CodeRewriter.java
+++ b/src/main/java/com/android/tools/r8/ir/optimize/CodeRewriter.java
@@ -767,7 +767,7 @@
 
   public void identifyInvokeSemanticsForInlining(
       DexEncodedMethod method, IRCode code, OptimizationFeedback feedback) {
-    if (method.isStaticMethod()) {
+    if (method.isStatic()) {
       // Identifies if the method preserves class initialization after inlining.
       feedback.markTriggerClassInitBeforeAnySideEffect(method,
           triggersClassInitializationBeforeSideEffect(code, method.method.getHolder()));
diff --git a/src/main/java/com/android/tools/r8/ir/optimize/MethodPoolCollection.java b/src/main/java/com/android/tools/r8/ir/optimize/MethodPoolCollection.java
index bd3acb6..49c740c 100644
--- a/src/main/java/com/android/tools/r8/ir/optimize/MethodPoolCollection.java
+++ b/src/main/java/com/android/tools/r8/ir/optimize/MethodPoolCollection.java
@@ -97,7 +97,7 @@
       clazz.forEachMethod(
           encodedMethod -> {
             // We will add private instance methods when we promote them.
-            if (!encodedMethod.isPrivateMethod() || encodedMethod.isStaticMethod()) {
+            if (!encodedMethod.isPrivateMethod() || encodedMethod.isStatic()) {
               methodPool.seen(equivalence.wrap(encodedMethod.method));
             }
           });
diff --git a/src/main/java/com/android/tools/r8/ir/optimize/lambda/kotlin/KotlinLambdaGroupIdFactory.java b/src/main/java/com/android/tools/r8/ir/optimize/lambda/kotlin/KotlinLambdaGroupIdFactory.java
index 42e0bb1..605fdf9 100644
--- a/src/main/java/com/android/tools/r8/ir/optimize/lambda/kotlin/KotlinLambdaGroupIdFactory.java
+++ b/src/main/java/com/android/tools/r8/ir/optimize/lambda/kotlin/KotlinLambdaGroupIdFactory.java
@@ -155,7 +155,7 @@
             method.accessFlags, CLASS_INITIALIZER_FLAGS);
         checkDirectMethodAnnotations(method);
 
-      } else if (method.isStaticMethod()) {
+      } else if (method.isStatic()) {
         throw new LambdaStructureError(
             "unexpected static method: " + method.method.toSourceString());
 
diff --git a/src/main/java/com/android/tools/r8/ir/optimize/staticizer/ClassStaticizer.java b/src/main/java/com/android/tools/r8/ir/optimize/staticizer/ClassStaticizer.java
index eaa5037..e33d977 100644
--- a/src/main/java/com/android/tools/r8/ir/optimize/staticizer/ClassStaticizer.java
+++ b/src/main/java/com/android/tools/r8/ir/optimize/staticizer/ClassStaticizer.java
@@ -180,7 +180,7 @@
       return true;
     }
     for (DexEncodedMethod method : clazz.methods()) {
-      if (!method.isStaticMethod() && appInfo.isPinned(method.method)) {
+      if (!method.isStatic() && appInfo.isPinned(method.method)) {
         return true;
       }
     }
diff --git a/src/main/java/com/android/tools/r8/ir/optimize/staticizer/StaticizingProcessor.java b/src/main/java/com/android/tools/r8/ir/optimize/staticizer/StaticizingProcessor.java
index 5b930fe..b7c830f 100644
--- a/src/main/java/com/android/tools/r8/ir/optimize/staticizer/StaticizingProcessor.java
+++ b/src/main/java/com/android/tools/r8/ir/optimize/staticizer/StaticizingProcessor.java
@@ -130,7 +130,7 @@
 
       // CHECK: no abstract or native instance methods.
       if (Streams.stream(candidateClass.methods()).anyMatch(
-          method -> !method.isStaticMethod() && (method.shouldNotHaveCode()))) {
+          method -> !method.isStatic() && (method.shouldNotHaveCode()))) {
         it.remove();
         continue;
       }
@@ -151,7 +151,7 @@
 
       // Collect instance methods to be staticized.
       for (DexEncodedMethod method : candidateClass.methods()) {
-        if (!method.isStaticMethod()) {
+        if (!method.isStatic()) {
           removedInstanceMethods.add(method);
           if (!factory().isConstructor(method.method)) {
             methodsToBeStaticized.add(method);
@@ -334,7 +334,7 @@
       // Move instance methods into static ones.
       List<DexEncodedMethod> newDirectMethods = new ArrayList<>();
       for (DexEncodedMethod method : candidateClass.methods()) {
-        if (method.isStaticMethod()) {
+        if (method.isStatic()) {
           newDirectMethods.add(method);
         } else if (!factory().isConstructor(method.method)) {
           DexEncodedMethod staticizedMethod = method.toStaticMethodWithoutThis();
@@ -374,7 +374,7 @@
   }
 
   private boolean classMembersConflict(DexClass a, DexClass b) {
-    assert Streams.stream(a.methods()).allMatch(DexEncodedMethod::isStaticMethod);
+    assert Streams.stream(a.methods()).allMatch(DexEncodedMethod::isStatic);
     assert a.instanceFields().length == 0;
     return Stream.of(a.staticFields()).anyMatch(fld -> b.lookupField(fld.field) != null) ||
         Streams.stream(a.methods()).anyMatch(method -> b.lookupMethod(method.method) != null);
diff --git a/src/main/java/com/android/tools/r8/shaking/VerticalClassMerger.java b/src/main/java/com/android/tools/r8/shaking/VerticalClassMerger.java
index 43f8d20..5e03071 100644
--- a/src/main/java/com/android/tools/r8/shaking/VerticalClassMerger.java
+++ b/src/main/java/com/android/tools/r8/shaking/VerticalClassMerger.java
@@ -811,7 +811,7 @@
           deferredRenamings.map(directMethod.method, resultingDirectMethod.method);
           deferredRenamings.recordMove(directMethod.method, resultingDirectMethod.method);
 
-          if (!directMethod.isStaticMethod()) {
+          if (!directMethod.isStatic()) {
             blockRedirectionOfSuperCalls(resultingDirectMethod.method);
           }
         }
@@ -1069,7 +1069,7 @@
       accessFlags.setSynthetic();
       accessFlags.unsetAbstract();
 
-      assert invocationTarget.isPrivateMethod() == !invocationTarget.isStaticMethod();
+      assert invocationTarget.isPrivateMethod() == !invocationTarget.isStatic();
       SynthesizedBridgeCode code =
           new SynthesizedBridgeCode(
               newMethod,
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/staticizer/ClassStaticizerTest.java b/src/test/java/com/android/tools/r8/ir/optimize/staticizer/ClassStaticizerTest.java
index 9be118c..c184e6e 100644
--- a/src/test/java/com/android/tools/r8/ir/optimize/staticizer/ClassStaticizerTest.java
+++ b/src/test/java/com/android/tools/r8/ir/optimize/staticizer/ClassStaticizerTest.java
@@ -185,7 +185,7 @@
     assertNotNull(clazz);
     assertTrue(clazz.isPresent());
     return Streams.stream(clazz.getDexClass().methods())
-        .filter(method -> !method.isStaticMethod())
+        .filter(method -> !method.isStatic())
         .map(method -> method.method.toSourceString())
         .sorted()
         .collect(Collectors.toList());