Fix up all the easy virtual ... SK_OVERRIDE cases.

src/pipe/SkGPipeRead.cpp

Index: src/pipe/SkGPipeRead.cpp
diff --git a/src/pipe/SkGPipeRead.cpp b/src/pipe/SkGPipeRead.cpp
index dab6178cfe4a2371ff036f202546bbdf21c66e7d..aa108e602eb152c9ac5d1c330306b14bbf302ac7 100644
--- a/src/pipe/SkGPipeRead.cpp
+++ b/src/pipe/SkGPipeRead.cpp
@@ -162,7 +162,7 @@ public:
      * these SkBitmaps for bitmap shaders. Used only in cross process mode
      * without a shared heap.
      */
-    virtual SkBitmap* getBitmap(int32_t index) const SK_OVERRIDE {
+    SkBitmap* getBitmap(int32_t index) const SK_OVERRIDE {
         SkASSERT(shouldFlattenBitmaps(fFlags));
         return fBitmaps[index];
     }
@@ -170,7 +170,7 @@ public:
     /**
      * Needed to be a non-abstract subclass of SkBitmapHeapReader.
      */
-    virtual void releaseRef(int32_t) SK_OVERRIDE {}
+    void releaseRef(int32_t) SK_OVERRIDE {}
 
     void setSharedHeap(SkBitmapHeap* heap) {
         SkASSERT(!shouldFlattenBitmaps(fFlags) || NULL == heap);