Cleanup: Mark some overridden methods with 'SK_OVERRIDE'.

src/utils/SkTextureCompressor_Blitter.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkTextureCompressor_Blitter_DEFINED
 #define SkTextureCompressor_Blitter_DEFINED
 
@@ skipping 360 matching lines @@
     virtual const SkBitmap* justAnOpaqueColor(uint32_t* value) SK_OVERRIDE {
         return NULL;
     }
 
     /**
      * Compressed texture blitters only really work correctly if they get
      * BlockDim rows at a time. That being said, this blitter tries it's best
      * to preserve semantics if blitAntiH doesn't get called in too many
      * weird ways...
      */
-    virtual int requestRowsPreserved() const { return BlockDim; }
+    virtual int requestRowsPreserved() const SK_OVERRIDE { return BlockDim; }
 
 private:
     static const int kPixelsPerBlock = BlockDim * BlockDim;
 
     // The longest possible run of pixels that this blitter will receive.
     // This is initialized in the constructor to 0x7FFE, which is one less
     // than the largest positive 16-bit integer. We make sure that it's one
     // less for debugging purposes. We also don't make this variable static
     // in order to make sure that we can construct a valid pointer to it.
     const int16_t kLongestRun;
@@ skipping 332 matching lines @@
                                         mask, BlockDim, mask);
         }
     }
 #endif  // PEDANTIC_BLIT_RECT
 
 };
 
 }  // namespace SkTextureCompressor
 
 #endif  // SkTextureCompressor_Blitter_DEFINED