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/bench/GrMemoryPoolBench.cpp b/bench/GrMemoryPoolBench.cpp
index 320ff00..55690a4 100644
--- a/bench/GrMemoryPoolBench.cpp
+++ b/bench/GrMemoryPoolBench.cpp
@@ -32,7 +32,7 @@
  */
 class GrMemoryPoolBenchStack : public Benchmark {
 public:
-    bool isSuitableFor(Backend backend) SK_OVERRIDE {
+    bool isSuitableFor(Backend backend) override {
         return backend == kNonRendering_Backend;
     }
 
@@ -94,7 +94,7 @@
  */
 class GrMemoryPoolBenchRandom : public Benchmark {
 public:
-    bool isSuitableFor(Backend backend) SK_OVERRIDE {
+    bool isSuitableFor(Backend backend) override {
         return backend == kNonRendering_Backend;
     }
 
@@ -142,7 +142,7 @@
         M = 4 * (1 << 10),
     };
 public:
-    bool isSuitableFor(Backend backend) SK_OVERRIDE {
+    bool isSuitableFor(Backend backend) override {
         return backend == kNonRendering_Backend;
     }