Revert of GrResourceCache2 manages scratch texture.

src/gpu/effects/GrTextureStripAtlas.cpp

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTextureStripAtlas.h"
 #include "SkPixelRef.h"
@@ skipping 198 matching lines @@
         this->initLRU();
         fKeyTable.rewind();
     }
     SkASSERT(fTexture);
 }
 
 void GrTextureStripAtlas::unlockTexture() {
     SkASSERT(fTexture && 0 == fLockedRows);
     fTexture->unref();
     fTexture = NULL;
+    fDesc.fContext->purgeCache();
 }
 
 void GrTextureStripAtlas::initLRU() {
     fLRUFront = NULL;
     fLRUBack = NULL;
     // Initially all the rows are in the LRU list
     for (int i = 0; i < fNumRows; ++i) {
         fRows[i].fKey = kEmptyAtlasRowKey;
         fRows[i].fNext = NULL;
         fRows[i].fPrev = NULL;
@@ skipping 109 matching lines @@
 
     // If we have locked rows, we should have a locked texture, otherwise
     // it should be unlocked
     if (fLockedRows == 0) {
         SkASSERT(NULL == fTexture);
     } else {
         SkASSERT(fTexture);
     }
 }
 #endif