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

src/gpu/gl/iOS/SkCreatePlatformGLContext_iOS.mm

Index: src/gpu/gl/iOS/SkCreatePlatformGLContext_iOS.mm
diff --git a/src/gpu/gl/iOS/SkCreatePlatformGLContext_iOS.mm b/src/gpu/gl/iOS/SkCreatePlatformGLContext_iOS.mm
index f900976f95f1e40d323ec0f4d241bbf2a41d3869..884216845cdf9ef1237e7060fd6404f38aa9d49b 100644
--- a/src/gpu/gl/iOS/SkCreatePlatformGLContext_iOS.mm
+++ b/src/gpu/gl/iOS/SkCreatePlatformGLContext_iOS.mm
@@ -16,9 +16,9 @@ namespace {
 class IOSGLContext : public SkGLContext {
 public:
     IOSGLContext();
-    ~IOSGLContext() SK_OVERRIDE;
-    void makeCurrent() const SK_OVERRIDE;
-    void swapBuffers() const SK_OVERRIDE;
+    ~IOSGLContext() override;
+    void makeCurrent() const override;
+    void swapBuffers() const override;
 
 private:
     void destroyGLContext();