Move GPUFeatureChecker to content layer

content/browser/gpu/gpu_feature_checker_impl.h

Index: content/browser/gpu/gpu_feature_checker_impl.h
diff --git a/content/browser/gpu/gpu_feature_checker_impl.h b/content/browser/gpu/gpu_feature_checker_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..a7843cc7399db5d7022adbb04b30bafa8857be77
--- /dev/null
+++ b/content/browser/gpu/gpu_feature_checker_impl.h
@@ -0,0 +1,41 @@
+// 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_BROWSER_GPU_GPU_FEATURE_CHECKER_IMPL_H_
+#define CONTENT_BROWSER_GPU_GPU_FEATURE_CHECKER_IMPL_H_
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "content/public/browser/gpu_data_manager_observer.h"
+#include "content/public/browser/gpu_feature_checker.h"
+#include "gpu/config/gpu_feature_type.h"
+
+namespace content {
+
+class CONTENT_EXPORT GpuFeatureCheckerImpl
+    : public NON_EXPORTED_BASE(GpuFeatureChecker),
+      public GpuDataManagerObserver {
+ public:
+  GpuFeatureCheckerImpl(gpu::GpuFeatureType feature,
+                        FeatureAvailableCallback callback);
+
+  // GpuFeatureChecker implementation.
+  void CheckGpuFeatureAvailability() override;
+
+  // GpuDataManagerObserver implementation.
+  void OnGpuInfoUpdate() override;
+
+ private:
+  ~GpuFeatureCheckerImpl() override;
+
+  gpu::GpuFeatureType feature_;
+  FeatureAvailableCallback callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(GpuFeatureCheckerImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_GPU_GPU_FEATURE_CHECKER_IMPL_H_