Add a Content API around GpuDataManager and use that from chrome. I moved GpuPerformanceStats to chrome since it wasn't used in content.

BUG=98716
Review URL: https://chromiumcodereview.appspot.com/9401026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@122211 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 26 insertions, 0 deletions

diff --git a/content/public/browser/gpu_data_manager_observer.h b/content/public/browser/gpu_data_manager_observer.h
new file mode 100644
index 0000000..58f851b
--- /dev/null
+++ b/content/public/browser/gpu_data_manager_observer.h
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_OBSERVER_H_
+#define CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_OBSERVER_H_
+#pragma once
+
+#include "content/common/content_export.h"
+
+namespace content {
+
+// Observers can register themselves via GpuDataManager::AddObserver, and
+// can un-register with GpuDataManager::RemoveObserver.
+class GpuDataManagerObserver {
+ public:
+  // Called for any observers whenever there is a GPU info update.
+  virtual void OnGpuInfoUpdate() = 0;
+
+ protected:
+  virtual ~GpuDataManagerObserver() {}
+};
+
+};  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_OBSERVER_H_