Move GPUFeatureChecker to content layer

content/public/browser/gpu_feature_checker.h

Index: content/public/browser/gpu_feature_checker.h
diff --git a/content/public/browser/gpu_feature_checker.h b/content/public/browser/gpu_feature_checker.h
new file mode 100644
index 0000000000000000000000000000000000000000..b76d97879c5623cb9059235ba68dca7d9de385d9
--- /dev/null
+++ b/content/public/browser/gpu_feature_checker.h
@@ -0,0 +1,36 @@
+// Copyright 2017 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_FEATURE_CHECKER_H_
+#define CONTENT_PUBLIC_BROWSER_GPU_FEATURE_CHECKER_H_
+
+#include "base/callback_forward.h"
+#include "base/memory/ref_counted.h"
+#include "content/common/content_export.h"
+#include "gpu/config/gpu_feature_type.h"
+
+namespace content {
+
+class GpuFeatureChecker : public base::RefCountedThreadSafe<GpuFeatureChecker> {
+ public:
+  typedef base::Callback<void(bool feature_available)> FeatureAvailableCallback;
+
+  CONTENT_EXPORT static scoped_refptr<GpuFeatureChecker> Create(
+      gpu::GpuFeatureType feature,
+      FeatureAvailableCallback callback);
+
+  // Checks to see if |feature_| is available on the current GPU. |callback_|
+  // will be called to indicate the availability of the feature. Must be called
+  // from the the UI thread.
+  virtual void CheckGpuFeatureAvailability() = 0;
+
+ protected:
+  friend class base::RefCountedThreadSafe<GpuFeatureChecker>;
+
+  virtual ~GpuFeatureChecker();
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_GPU_FEATURE_CHECKER_H_