hide SkBitmap::Config entirely (behind a flag)

src/gpu/SkGr.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkGr.h"
 #include "SkColorFilter.h"
 #include "SkConfig8888.h"
@@ skipping 325 matching lines @@
 
 void GrUnlockAndUnrefCachedBitmapTexture(GrTexture* texture) {
     SkASSERT(NULL != texture->getContext());
 
     texture->getContext()->unlockScratchTexture(texture);
     texture->unref();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
+#ifdef SK_SUPPORT_LEGACY_BITMAP_CONFIG
 GrPixelConfig SkBitmapConfig2GrPixelConfig(SkBitmap::Config config) {
     switch (config) {
         case SkBitmap::kA8_Config:
             return kAlpha_8_GrPixelConfig;
         case SkBitmap::kIndex8_Config:
             return kIndex_8_GrPixelConfig;
         case SkBitmap::kRGB_565_Config:
             return kRGB_565_GrPixelConfig;
         case SkBitmap::kARGB_4444_Config:
             return kRGBA_4444_GrPixelConfig;
         case SkBitmap::kARGB_8888_Config:
             return kSkia8888_GrPixelConfig;
         default:
             // kNo_Config, kA1_Config missing
             return kUnknown_GrPixelConfig;
     }
 }
+#endif
 
 // alphatype is ignore for now, but if GrPixelConfig is expanded to encompass
 // alpha info, that will be considered.
 GrPixelConfig SkImageInfo2GrPixelConfig(SkColorType ct, SkAlphaType) {
     switch (ct) {
         case kUnknown_SkColorType:
             return kUnknown_GrPixelConfig;
         case kAlpha_8_SkColorType:
             return kAlpha_8_GrPixelConfig;
         case kRGB_565_SkColorType:
@@ skipping 129 matching lines @@
     GrEffectRef* grEffect = NULL;
     if (shader->asNewEffect(context, skPaint, NULL, &grColor, &grEffect) && NULL != grEffect) {
         SkAutoTUnref<GrEffectRef> effect(grEffect);
         grPaint->addColorEffect(effect);
         constantColor = false;
     }
     // The grcolor is automatically set when calling asneweffect.
     // If the shader can be seen as an effect it returns true and adds its effect to the grpaint.
     SkPaint2GrPaintNoShader(context, skPaint, grColor, constantColor, grPaint);
 }