Sample for GPU memory dumping using new SkTraceMemoryDump.

src/gpu/GrGpuResource.cpp

Index: src/gpu/GrGpuResource.cpp
diff --git a/src/gpu/GrGpuResource.cpp b/src/gpu/GrGpuResource.cpp
index 49212df416d8d639b143e7580fd9f507d33e2395..f0772101d498a56df353763459b80a46ded466e0 100644
--- a/src/gpu/GrGpuResource.cpp
+++ b/src/gpu/GrGpuResource.cpp
@@ -11,6 +11,7 @@
 #include "GrResourceCache.h"
 #include "GrGpu.h"
 #include "GrGpuResourcePriv.h"
+#include "SkTraceMemoryDump.h"
 
 static inline GrResourceCache* get_resource_cache(GrGpu* gpu) {
     SkASSERT(gpu);
@@ -36,7 +37,7 @@ GrGpuResource::~GrGpuResource() {
     SkASSERT(this->wasDestroyed());
 }
 
-void GrGpuResource::release() { 
+void GrGpuResource::release() {
     SkASSERT(fGpu);
     this->onRelease();
     get_resource_cache(fGpu)->resourceAccess().removeResource(this);
@@ -52,6 +53,12 @@ void GrGpuResource::abandon() {
     fGpuMemorySize = 0;
 }
 
+void GrGpuResource::onMemoryDump(SkTraceMemoryDump* traceMemoryDump) const {
+  SkString dump_name("skia/gpu_resources/resource_");
+  dump_name.appendS32(getUniqueID());
+  traceMemoryDump->DumpScalarValue(dump_name, "size", "bytes", onGpuMemorySize());
+}
+
 const SkData* GrGpuResource::setCustomData(const SkData* data) {
     SkSafeRef(data);
     fData.reset(data);