cleanup GrContext resource cache api

samplecode/SampleApp.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 "SampleApp.h"
 
 #include "SkData.h"
 #include "SkCanvas.h"
@@ skipping 1845 matching lines @@
 #if SK_SUPPORT_GPU
         case '\\':
             this->setDeviceType(kNullGPU_DeviceType);
             this->inval(NULL);
             this->updateTitle();
             return true;
         case 'p':
             {
                 GrContext* grContext = this->getGrContext();
                 if (grContext) {
-                    size_t cacheBytes = grContext->getGpuTextureCacheBytes();
+                    size_t cacheBytes;
+                    grContext->getResourceCacheUsage(NULL, &cacheBytes);
                     grContext->freeGpuResources();
-                    SkDebugf("Purged %d bytes from the GPU resource cache.\n",
-                             cacheBytes);
+                    SkDebugf("Purged %d bytes from the GPU resource cache.\n", cacheBytes);
                 }
             }
             return true;
 #endif
         default:
             break;
     }
 
     if (fAppMenu->handleKeyEquivalent(uni)|| fSlideMenu->handleKeyEquivalent(uni)) {
         this->onUpdateMenu(fAppMenu);
@@ skipping 678 matching lines @@
     SkGraphics::Init();
     SkEvent::Init();
 }
 
 // FIXME: this should be in a header
 void application_term();
 void application_term() {
     SkEvent::Term();
     SkGraphics::Term();
 }