diff --git a/gpu/command_buffer/tests/gl_manager.h b/gpu/command_buffer/tests/gl_manager.h
new file mode 100644
index 0000000..9f58e81
--- /dev/null
+++ b/gpu/command_buffer/tests/gl_manager.h
@@ -0,0 +1,139 @@
+// 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 GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_
+#define GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_
+
+#include "base/containers/scoped_ptr_hash_map.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "gpu/command_buffer/client/gpu_control.h"
+#include "gpu/command_buffer/service/feature_info.h"
+#include "ui/gfx/size.h"
+
+namespace gfx {
+
+class GLContext;
+class GLShareGroup;
+class GLSurface;
+
+}
+
+namespace gpu {
+
+class CommandBufferService;
+class GpuScheduler;
+class TransferBuffer;
+
+namespace gles2 {
+
+class ContextGroup;
+class MailboxManager;
+class GLES2Decoder;
+class GLES2CmdHelper;
+class GLES2Implementation;
+class ImageManager;
+class ShareGroup;
+
+};
+
+class GLManager : private GpuControl {
+ public:
+  struct Options {
+    Options();
+    // The size of the backbuffer.
+    gfx::Size size;
+    // If not null will share resources with this context.
+    GLManager* share_group_manager;
+    // If not null will share a mailbox manager with this context.
+    GLManager* share_mailbox_manager;
+    // If not null will create a virtual manager based on this context.
+    GLManager* virtual_manager;
+    // Whether or not glBindXXX generates a resource.
+    bool bind_generates_resource;
+    // Whether or not the context is auto-lost when GL_OUT_OF_MEMORY occurs.
+    bool lose_context_when_out_of_memory;
+    // Whether or not it's ok to lose the context.
+    bool context_lost_allowed;
+  };
+  GLManager();
+  virtual ~GLManager();
+
+  void Initialize(const Options& options);
+  void Destroy();
+
+  void MakeCurrent();
+
+  void SetSurface(gfx::GLSurface* surface);
+
+  gles2::GLES2Decoder* decoder() const {
+    return decoder_.get();
+  }
+
+  gles2::MailboxManager* mailbox_manager() const {
+    return mailbox_manager_.get();
+  }
+
+  gfx::GLShareGroup* share_group() const {
+    return share_group_.get();
+  }
+
+  gles2::GLES2Implementation* gles2_implementation() const {
+    return gles2_implementation_.get();
+  }
+
+  gfx::GLContext* context() {
+    return context_.get();
+  }
+
+  const gpu::gles2::FeatureInfo::Workarounds& workarounds() const;
+
+  // GpuControl implementation.
+  virtual Capabilities GetCapabilities() OVERRIDE;
+  virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(size_t width,
+                                                      size_t height,
+                                                      unsigned internalformat,
+                                                      unsigned usage,
+                                                      int32* id) OVERRIDE;
+  virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
+  virtual uint32 InsertSyncPoint() OVERRIDE;
+  virtual uint32 InsertFutureSyncPoint() OVERRIDE;
+  virtual void RetireSyncPoint(uint32 sync_point) OVERRIDE;
+  virtual void SignalSyncPoint(uint32 sync_point,
+                               const base::Closure& callback) OVERRIDE;
+  virtual void SignalQuery(uint32 query,
+                           const base::Closure& callback) OVERRIDE;
+  virtual void SetSurfaceVisible(bool visible) OVERRIDE;
+  virtual uint32 CreateStreamTexture(uint32 texture_id) OVERRIDE;
+
+ private:
+  void PumpCommands();
+  bool GetBufferChanged(int32 transfer_buffer_id);
+  void SetupBaseContext();
+
+  scoped_refptr<gles2::MailboxManager> mailbox_manager_;
+  scoped_refptr<gfx::GLShareGroup> share_group_;
+  scoped_ptr<CommandBufferService> command_buffer_;
+  scoped_ptr<gles2::GLES2Decoder> decoder_;
+  scoped_ptr<GpuScheduler> gpu_scheduler_;
+  scoped_refptr<gfx::GLSurface> surface_;
+  scoped_refptr<gfx::GLContext> context_;
+  scoped_ptr<gles2::GLES2CmdHelper> gles2_helper_;
+  scoped_ptr<TransferBuffer> transfer_buffer_;
+  scoped_ptr<gles2::GLES2Implementation> gles2_implementation_;
+  bool context_lost_allowed_;
+
+  // Client GpuControl implementation.
+  base::ScopedPtrHashMap<int32, gfx::GpuMemoryBuffer> gpu_memory_buffers_;
+
+  // Used on Android to virtualize GL for all contexts.
+  static int use_count_;
+  static scoped_refptr<gfx::GLShareGroup>* base_share_group_;
+  static scoped_refptr<gfx::GLSurface>* base_surface_;
+  static scoped_refptr<gfx::GLContext>* base_context_;
+};
+
+}  // namespace gpu
+
+#endif  // GPU_COMMAND_BUFFER_TESTS_GL_MANAGER_H_