Show GpuMemoryBuffer feature in chrome://gpu

content/browser/gpu/gpu_internals_ui.cc

Index: content/browser/gpu/gpu_internals_ui.cc
diff --git a/content/browser/gpu/gpu_internals_ui.cc b/content/browser/gpu/gpu_internals_ui.cc
index c30afe09621e4dde6d2c4af7da5ec1ec8ce58289..51250bb0c1074b9ff11258519243792be7131d32 100644
--- a/content/browser/gpu/gpu_internals_ui.cc
+++ b/content/browser/gpu/gpu_internals_ui.cc
@@ -19,6 +19,7 @@
 #include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
 #include "base/values.h"
+#include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/grit/content_resources.h"
@@ -232,6 +233,26 @@ base::DictionaryValue* GpuInfoAsDictionaryValue() {
   return info;
 }
 
+base::DictionaryValue* GmbInfoAsDictionaryValue() {
+  base::ListValue* gmb_info = new base::ListValue();
+  gmb_info->Append(NewDescriptionValuePair("Native Formats", "Usage"));
+
+  BrowserGpuMemoryBufferManager* gmb_manager =
+      BrowserGpuMemoryBufferManager::current();
+  GpuMemoryBufferConfigurationList list =
+    gmb_manager->GetNativeGpuMemoryBufferEnabledAndSupported();
+
+  GpuMemoryBufferConfigurationList::iterator it;
+  for (it = list.begin(); it != list.end(); it++)
+    gmb_info->Append(NewDescriptionValuePair(
+        BufferFormatToString(it->first), BufferUsageToString(it->second)));
+
+  base::DictionaryValue* info = new base::DictionaryValue();
+  info->Set("gmb_info", gmb_info);
+
+  return info;
+}
+
 // This class receives javascript messages from the renderer.
 // Note that the WebUI infrastructure runs on the UI thread, therefore all of
 // this class's methods are expected to run on the UI thread.
@@ -409,6 +430,17 @@ void GpuMessageHandler::OnGpuInfoUpdate() {
   // Send GPU Info to javascript.
   web_ui()->CallJavascriptFunction("browserBridge.onGpuInfoUpdate",
       *(gpu_info_val.get()));
+
+  // Get GpuMemoryBuffer Info.
+  scoped_ptr<base::DictionaryValue> gmb_info_val(GmbInfoAsDictionaryValue());
+
+  // Add in blacklisting features
+  base::DictionaryValue* gmb_status = new base::DictionaryValue;
+  gmb_info_val->Set("gbmStatus", gmb_status);
+
+  // Send GMB Info to javascript.
+  web_ui()->CallJavascriptFunction("browserBridge.onGmbInfoUpdate",
+      *(gmb_info_val.get()));
 }
 
 void GpuMessageHandler::OnGpuSwitched() {