C++11 override should now be supported by all of {bots,Chrome,Android,Mozilla}

NOPRESUBMIT=true

BUG=skia:
DOCS_PREVIEW= https://skia.org/?cl=1037793002

Review URL: https://codereview.chromium.org/1037793002
diff --git a/src/gpu/effects/GrConvolutionEffect.h b/src/gpu/effects/GrConvolutionEffect.h
index 4ea436c..fa6329a 100644
--- a/src/gpu/effects/GrConvolutionEffect.h
+++ b/src/gpu/effects/GrConvolutionEffect.h
@@ -57,11 +57,11 @@
     const float* bounds() const { return fBounds; }
     bool useBounds() const { return fUseBounds; }
 
-    const char* name() const SK_OVERRIDE { return "Convolution"; }
+    const char* name() const override { return "Convolution"; }
 
-    void getGLProcessorKey(const GrGLCaps&, GrProcessorKeyBuilder*) const SK_OVERRIDE;
+    void getGLProcessorKey(const GrGLCaps&, GrProcessorKeyBuilder*) const override;
 
-    GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE;
+    GrGLFragmentProcessor* createGLInstance() const override;
 
     enum {
         // This was decided based on the min allowed value for the max texture
@@ -94,9 +94,9 @@
                         bool useBounds,
                         float bounds[2]);
 
-    bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE;
+    bool onIsEqual(const GrFragmentProcessor&) const override;
 
-    void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE {
+    void onComputeInvariantOutput(GrInvariantOutput* inout) const override {
         // If the texture was opaque we could know that the output color if we knew the sum of the
         // kernel values.
         inout->mulByUnknownFourComponents();