Revert of cc: Add mailbox support to ResourceProvider write locks.

cc/raster/gpu_rasterizer.h

Index: cc/raster/gpu_rasterizer.h
diff --git a/cc/raster/gpu_rasterizer.h b/cc/raster/gpu_rasterizer.h
new file mode 100644
index 0000000000000000000000000000000000000000..592dea773ab3c31d83524f5f0eedc2b503fe8153
--- /dev/null
+++ b/cc/raster/gpu_rasterizer.h
@@ -0,0 +1,57 @@
+// Copyright 2015 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 CC_RASTER_GPU_RASTERIZER_H_
+#define CC_RASTER_GPU_RASTERIZER_H_
+
+#include <vector>
+
+#include "base/macros.h"
+#include "cc/base/cc_export.h"
+#include "cc/playback/raster_source.h"
+#include "cc/resources/resource_pool.h"
+#include "cc/tiles/tile.h"
+#include "third_party/skia/include/core/SkMultiPictureDraw.h"
+
+namespace cc {
+
+class ContextProvider;
+class RasterSource;
+class ResourceProvider;
+
+class CC_EXPORT GpuRasterizer {
+ public:
+  ~GpuRasterizer();
+
+  void RasterizeSource(ResourceProvider::ScopedWriteLockGr* write_lock,
+                       const RasterSource* raster_source,
+                       const gfx::Rect& raster_full_rect,
+                       const gfx::Rect& playback_rect,
+                       float scale,
+                       const RasterSource::PlaybackSettings& playback_settings);
+
+  ResourceProvider* resource_provider() const { return resource_provider_; }
+  ContextProvider* worker_context_provider() const {
+    return worker_context_provider_;
+  }
+
+ private:
+  GpuRasterizer(ContextProvider* worker_context_provider,
+                ResourceProvider* resource_provider,
+                bool use_distance_filed_text,
+                int msaa_sample_count);
+
+  ContextProvider* worker_context_provider_;
+  ResourceProvider* resource_provider_;
+
+  bool use_distance_field_text_;
+  int msaa_sample_count_;
+
+  friend class GpuRasterBufferProvider;
+  DISALLOW_COPY_AND_ASSIGN(GpuRasterizer);
+};
+
+}  // namespace cc
+
+#endif  // CC_RASTER_GPU_RASTERIZER_H_