Move gpu_feature_flags from chrome\common to content\browser since it's only ...

chrome/common/gpu_feature_flags.cc

-// Copyright (c) 2010 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.
-
-#include "chrome/common/gpu_feature_flags.h"
-
-#include "base/logging.h"
-
-const char GpuFeatureFlags::kGpuFeatureNameAccelerated2dCanvas[] =
-    "accelerated_2d_canvas";
-const char GpuFeatureFlags::kGpuFeatureNameAcceleratedCompositing[] =
-    "accelerated_compositing";
-const char GpuFeatureFlags::kGpuFeatureNameWebgl[] = "webgl";
-const char GpuFeatureFlags::kGpuFeatureNameMultisampling[] = "multisampling";
-const char GpuFeatureFlags::kGpuFeatureNameAll[] = "all";
-
-GpuFeatureFlags::GpuFeatureFlags()
-    : flags_(0) {
-}
-
-void GpuFeatureFlags::set_flags(uint32 flags) {
-  DCHECK_EQ(flags & (~kGpuFeatureAll), 0u);
-  flags_ = flags;
-}
-
-uint32 GpuFeatureFlags::flags() const {
-  return flags_;
-}
-
-void GpuFeatureFlags::Combine(const GpuFeatureFlags& other) {
-  flags_ |= other.flags_;
-}
-
-GpuFeatureFlags::GpuFeatureType GpuFeatureFlags::StringToGpuFeatureType(
-    const std::string& feature_string) {
-  if (feature_string == kGpuFeatureNameAccelerated2dCanvas)
-    return kGpuFeatureAccelerated2dCanvas;
-  else if (feature_string == kGpuFeatureNameAcceleratedCompositing)
-    return kGpuFeatureAcceleratedCompositing;
-  else if (feature_string == kGpuFeatureNameWebgl)
-    return kGpuFeatureWebgl;
-  else if (feature_string == kGpuFeatureNameMultisampling)
-    return kGpuFeatureMultisampling;
-  else if (feature_string == kGpuFeatureNameAll)
-    return kGpuFeatureAll;
-  return kGpuFeatureUnknown;
-}
-