Add SK_OVERRIDE to a few places that are missing it.

src/core/SkScan_Path.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 "SkScanPriv.h"
 #include "SkBlitter.h"
 #include "SkEdge.h"
@@ skipping 314 matching lines @@
             fPrevX = fFirstX;
         } else {
             int invWidth = fLastX - fPrevX;
             if (invWidth > 0) {
                 fBlitter->blitH(fPrevX, y, invWidth);
             }
         }
     }
 
     // overrides
-    virtual void blitH(int x, int y, int width) {
+    virtual void blitH(int x, int y, int width) SK_OVERRIDE {
         int invWidth = x - fPrevX;
         if (invWidth > 0) {
             fBlitter->blitH(fPrevX, y, invWidth);
         }
         fPrevX = x + width;
     }
 
     // we do not expect to get called with these entrypoints
-    virtual void blitAntiH(int, int, const SkAlpha[], const int16_t runs[]) {
+    virtual void blitAntiH(int, int, const SkAlpha[], const int16_t runs[]) SK_OVERRIDE {
         SkDEBUGFAIL("blitAntiH unexpected");
     }
-    virtual void blitV(int x, int y, int height, SkAlpha alpha) {
+    virtual void blitV(int x, int y, int height, SkAlpha alpha) SK_OVERRIDE {
         SkDEBUGFAIL("blitV unexpected");
     }
-    virtual void blitRect(int x, int y, int width, int height) {
+    virtual void blitRect(int x, int y, int width, int height) SK_OVERRIDE {
         SkDEBUGFAIL("blitRect unexpected");
     }
-    virtual void blitMask(const SkMask&, const SkIRect& clip) {
+    virtual void blitMask(const SkMask&, const SkIRect& clip) SK_OVERRIDE {
         SkDEBUGFAIL("blitMask unexpected");
     }
-    virtual const SkBitmap* justAnOpaqueColor(uint32_t* value) {
+    virtual const SkBitmap* justAnOpaqueColor(uint32_t* value) SK_OVERRIDE {
         SkDEBUGFAIL("justAnOpaqueColor unexpected");
         return NULL;
     }
 
 private:
     SkBlitter*  fBlitter;
     int         fFirstX, fLastX, fPrevX;
 };
 
 static void PrePostInverseBlitterProc(SkBlitter* blitter, int y, bool isStart) {
@@ skipping 357 matching lines @@
         clipRgn = &wrap.getRgn();
         blitter = wrap.getBlitter();
     }
 
     SkScanClipper clipper(blitter, clipRgn, ir);
     blitter = clipper.getBlitter();
     if (blitter) {
         sk_fill_triangle(pts, clipper.getClipRect(), blitter, ir);
     }
 }