Add SK_OVERRIDE to a few places that are missing it.

src/core/SkBlitter.cpp

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBlitter.h"
 #include "SkAntiRun.h"
 #include "SkColor.h"
@@ skipping 718 matching lines @@
     return SkNEW_ARGS(Sk3DShader, (shader));
 }
 
 class Sk3DBlitter : public SkBlitter {
 public:
     Sk3DBlitter(SkBlitter* proxy, SkShader::Context* shaderContext)
         : fProxy(proxy)
         , fShaderContext(shaderContext)
     {}
 
-    virtual void blitH(int x, int y, int width) {
+    virtual void blitH(int x, int y, int width) SK_OVERRIDE {
         fProxy->blitH(x, y, width);
     }
 
     virtual void blitAntiH(int x, int y, const SkAlpha antialias[],
-                           const int16_t runs[]) {
+                           const int16_t runs[]) SK_OVERRIDE {
         fProxy->blitAntiH(x, y, antialias, runs);
     }
 
-    virtual void blitV(int x, int y, int height, SkAlpha alpha) {
+    virtual void blitV(int x, int y, int height, SkAlpha alpha) SK_OVERRIDE {
         fProxy->blitV(x, y, height, alpha);
     }
 
-    virtual void blitRect(int x, int y, int width, int height) {
+    virtual void blitRect(int x, int y, int width, int height) SK_OVERRIDE {
         fProxy->blitRect(x, y, width, height);
     }
 
-    virtual void blitMask(const SkMask& mask, const SkIRect& clip) {
+    virtual void blitMask(const SkMask& mask, const SkIRect& clip) SK_OVERRIDE {
         if (mask.fFormat == SkMask::k3D_Format) {
             fShaderContext->set3DMask(&mask);
 
             ((SkMask*)&mask)->fFormat = SkMask::kA8_Format;
             fProxy->blitMask(mask, clip);
             ((SkMask*)&mask)->fFormat = SkMask::k3D_Format;
 
             fShaderContext->set3DMask(NULL);
         } else {
             fProxy->blitMask(mask, clip);
@@ skipping 259 matching lines @@
     fShaderContext->~Context();
     SkShader::Context* ctx = fShader->createContext(rec, (void*)fShaderContext);
     if (NULL == ctx) {
         // Need a valid context in fShaderContext's storage, so we can later (or our caller) call
         // the in-place destructor.
         SkNEW_PLACEMENT_ARGS(fShaderContext, SkTransparentShaderContext, (*fShader, rec));
         return false;
     }
     return true;
 }