Sample for GPU memory dumping using new SkTraceMemoryDump.

include/gpu/GrContext.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrContext_DEFINED
 #define GrContext_DEFINED
 
@@ skipping 24 matching lines @@
 class GrResourceEntry;
 class GrResourceCache;
 class GrResourceProvider;
 class GrTestTarget;
 class GrTextBlobCache;
 class GrTextContext;
 class GrTextureParams;
 class GrVertexBuffer;
 class GrStrokeInfo;
 class GrSoftwarePathRenderer;
+class SkTraceMemoryDump;
 
 class SK_API GrContext : public SkRefCnt {
 public:
     /**
      * Creates a GrContext for a backend context.
      */
     static GrContext* Create(GrBackend, GrBackendContext, const GrContextOptions& options);
     static GrContext* Create(GrBackend, GrBackendContext);
 
     /**
@@ skipping 294 matching lines @@
     void printCacheStats() const;
 
     /** Prints GPU stats to the string if GR_GPU_STATS == 1. */
     void dumpGpuStats(SkString*) const;
     void printGpuStats() const;
 
     /** Specify the TextBlob cache limit. If the current cache exceeds this limit it will purge.
         this is for testing only */
     void setTextBlobCacheLimit_ForTesting(size_t bytes);
 
+    /** Enumerates all cached resources and dumps their memory to traceMemoryDump. */
+    void onMemoryDump(SkTraceMemoryDump* traceMemoryDump) const;
+
 private:
     GrGpu*                          fGpu;
     const GrCaps*                   fCaps;
     GrResourceCache*                fResourceCache;
     // this union exists because the inheritance of GrTextureProvider->GrResourceProvider
     // is in a private header.
     union {
         GrResourceProvider*         fResourceProvider;
         GrTextureProvider*          fTextureProvider;
     };
@@ skipping 92 matching lines @@
     /**
      * A callback similar to the above for use by the TextBlobCache
      * TODO move textblob draw calls below context so we can use the call above.
      */
     static void TextBlobCacheOverBudgetCB(void* data);
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif