Move Google3-specific stack limitation logic to template classes.

src/gpu/GrContext.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrContext.h"
 #include "GrContextOptions.h"
 #include "GrDrawingManager.h"
@@ skipping 268 matching lines @@
     SkAutoTUnref<GrTexture> tempTexture;
     if (GrGpu::kNoDraw_DrawPreference != drawPreference) {
         tempTexture.reset(
             this->textureProvider()->createApproxTexture(tempDrawInfo.fTempSurfaceDesc));
         if (!tempTexture && GrGpu::kRequireDraw_DrawPreference == drawPreference) {
             return false;
         }
     }
 
     // temp buffer for doing sw premul conversion, if needed.
-#if defined(GOOGLE3)
-    // Stack frame size is limited in GOOGLE3.
-    SkAutoSTMalloc<48 * 48, uint32_t> tmpPixels(0);
-#else
     SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(0);
-#endif
     if (tempTexture) {
         SkAutoTUnref<const GrFragmentProcessor> fp;
         SkMatrix textureMatrix;
         textureMatrix.setIDiv(tempTexture->width(), tempTexture->height());
         if (applyPremulToSrc) {
             fp.reset(this->createUPMToPMEffect(tempTexture, tempDrawInfo.fSwizzle,
                                                textureMatrix));
             // If premultiplying was the only reason for the draw, fall back to a straight write.
             if (!fp) {
                 if (GrGpu::kCallerPrefersDraw_DrawPreference == drawPreference) {
@@ skipping 352 matching lines @@
     ASSERT_SINGLE_OWNER
     fResourceCache->setLimits(maxTextures, maxTextureBytes);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 void GrContext::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
     ASSERT_SINGLE_OWNER
     fResourceCache->dumpMemoryStatistics(traceMemoryDump);
 }