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

src/pipe/utils/SamplePipeControllers.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 #include "SkChunkAlloc.h"
 #include "SkGPipe.h"
 #include "SkPicture.h"
 #include "SkTDArray.h"
 
 class SkCanvas;
 class SkMatrix;
 
 class PipeController : public SkGPipeController {
 public:
     PipeController(SkCanvas* target, SkPicture::InstallPixelRefProc proc = NULL);
     virtual ~PipeController();
-    virtual void* requestBlock(size_t minRequest, size_t* actual) SK_OVERRIDE;
-    virtual void notifyWritten(size_t bytes) SK_OVERRIDE;
+    void* requestBlock(size_t minRequest, size_t* actual) SK_OVERRIDE;
+    void notifyWritten(size_t bytes) SK_OVERRIDE;
 protected:
     const void* getData() { return (const char*) fBlock + fBytesWritten; }
     SkGPipeReader fReader;
 private:
     void* fBlock;
     size_t fBlockSize;
     size_t fBytesWritten;
     SkGPipeReader::Status fStatus;
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 
 class TiledPipeController : public PipeController {
 public:
     TiledPipeController(const SkBitmap&, SkPicture::InstallPixelRefProc proc = NULL,
                         const SkMatrix* initialMatrix = NULL);
     virtual ~TiledPipeController() {};
-    virtual void notifyWritten(size_t bytes) SK_OVERRIDE;
-    virtual int numberOfReaders() const SK_OVERRIDE { return NumberOfTiles; }
+    void notifyWritten(size_t bytes) SK_OVERRIDE;
+    int numberOfReaders() const SK_OVERRIDE { return NumberOfTiles; }
 private:
     enum {
         NumberOfTiles = 10
     };
     SkGPipeReader fReaders[NumberOfTiles - 1];
     SkBitmap fBitmaps[NumberOfTiles];
     typedef PipeController INHERITED;
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 
 /**
  * Borrowed (and modified) from SkDeferredCanvas.cpp::DeferredPipeController.
  * Allows playing back from multiple threads, but does not do the threading itself.
  */
 class ThreadSafePipeController : public SkGPipeController {
 public:
     ThreadSafePipeController(int numberOfReaders);
-    virtual void* requestBlock(size_t minRequest, size_t* actual) SK_OVERRIDE;
-    virtual void notifyWritten(size_t bytes) SK_OVERRIDE;
-    virtual int numberOfReaders() const SK_OVERRIDE { return fNumberOfReaders; }
+    void* requestBlock(size_t minRequest, size_t* actual) SK_OVERRIDE;
+    void notifyWritten(size_t bytes) SK_OVERRIDE;
+    int numberOfReaders() const SK_OVERRIDE { return fNumberOfReaders; }
 
     /**
      * Play the stored drawing commands to the specified canvas. If SkGPipeWriter::startRecording
      * used the flag SkGPipeWriter::kSimultaneousReaders_Flag, this can be called from different
      * threads simultaneously.
      */
     void draw(SkCanvas*);
 private:
     enum {
         kMinBlockSize = 4096
     };
     struct PipeBlock {
         PipeBlock(void* block, size_t bytes) { fBlock = block, fBytes = bytes; }
         // Stream of draw commands written by the SkGPipeWriter. Allocated by fAllocator, which will
         // handle freeing it.
         void* fBlock;
         // Number of bytes that were written to fBlock.
         size_t fBytes;
     };
     void* fBlock;
     size_t fBytesWritten;
     SkChunkAlloc fAllocator;
     SkTDArray<PipeBlock> fBlockList;
     int fNumberOfReaders;
 };