gpu: Add more context labelling.

content/browser/renderer_host/image_transport_factory_android.cc

Index: content/browser/renderer_host/image_transport_factory_android.cc
diff --git a/content/browser/renderer_host/image_transport_factory_android.cc b/content/browser/renderer_host/image_transport_factory_android.cc
index c1ea043c00287e0e808950a3daddfd4dc7512654..204869a6f31ba38c8890b1f1fca72c8abddf9904 100644
--- a/content/browser/renderer_host/image_transport_factory_android.cc
+++ b/content/browser/renderer_host/image_transport_factory_android.cc
@@ -58,7 +58,8 @@ DirectGLImageTransportFactory::DirectGLImageTransportFactory() {
       CreateViewContext(attrs, NULL);
   if (context_->makeContextCurrent())
     context_->pushGroupMarkerEXT(
-        base::StringPrintf("DirectGLImageTransportFactory-%p", this).c_str());
+        base::StringPrintf("DirectGLImageTransportFactory-%p",
+                           context_.get()).c_str());
 }
 
 DirectGLImageTransportFactory::~DirectGLImageTransportFactory() {
@@ -116,7 +117,8 @@ CmdBufferImageTransportFactory::CmdBufferImageTransportFactory() {
 
   if (context_->makeContextCurrent())
     context_->pushGroupMarkerEXT(
-        base::StringPrintf("CmdBufferImageTransportFactory-%p", this).c_str());
+        base::StringPrintf("CmdBufferImageTransportFactory-%p",
+                           context_.get()).c_str());
 }
 
 CmdBufferImageTransportFactory::~CmdBufferImageTransportFactory() {