Allow GrGpuResources' unique keys to be changed.

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 "GrXferProcessor.h"
@@ skipping 162 matching lines @@
 static GrTexture* create_texture_for_bmp(GrContext* ctx,
                                          const GrUniqueKey& optionalKey,
                                          GrSurfaceDesc desc,
                                          SkPixelRef* pixelRefForInvalidationNotification,
                                          const void* pixels,
                                          size_t rowBytes) {
     GrTexture* result = ctx->createTexture(desc, true, pixels, rowBytes);
     if (result && optionalKey.isValid()) {
         BitmapInvalidator* listener = SkNEW_ARGS(BitmapInvalidator, (optionalKey));
         pixelRefForInvalidationNotification->addGenIDChangeListener(listener);
-        SkAssertResult(ctx->addResourceToCache(optionalKey, result));
+        ctx->addResourceToCache(optionalKey, result);
     }
     return result;
 }
 
 // creates a new texture that is the input texture scaled up to the next power of two in
 // width or height. If optionalKey is valid it will be set on the new texture. stretch
 // controls whether the scaling is done using nearest or bilerp filtering.
 GrTexture* stretch_texture_to_next_pot(GrTexture* inputTexture, Stretch stretch,
                                        SkPixelRef* pixelRef,
                                        const GrUniqueKey& optionalKey) {
@@ skipping 524 matching lines @@
         if (shader->asFragmentProcessor(context, skPaint, viewM, NULL, &paintColor, &fp) && fp) {
             grPaint->addColorProcessor(fp)->unref();
             constantColor = false;
         }
     }
 
     // The grcolor is automatically set when calling asFragmentProcessor.
     // If the shader can be seen as an effect it returns true and adds its effect to the grpaint.
     SkPaint2GrPaintNoShader(context, rt, skPaint, paintColor, constantColor, grPaint);
 }