GPU context creation code duplication cleanup

gpu/command_buffer/client/gl_in_process_context.h

 // 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_CLIENT_GL_IN_PROCESS_CONTEXT_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GL_IN_PROCESS_CONTEXT_H_
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "gl_in_process_context_export.h"
+#include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/in_process_command_buffer.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gl/gl_surface.h"
 #include "ui/gl/gpu_preference.h"
 
 namespace gfx {
 class Size;
 }
 
 #if defined(OS_ANDROID)
 namespace gfx {
 class SurfaceTexture;
 }
 #endif
 
 namespace gpu {
 
 namespace gles2 {
 class GLES2Implementation;
 }
 
-// The default uninitialized value is -1.
-struct GL_IN_PROCESS_CONTEXT_EXPORT GLInProcessContextAttribs {
-  GLInProcessContextAttribs();
-
-  int32 alpha_size;
-  int32 blue_size;
-  int32 green_size;
-  int32 red_size;
-  int32 depth_size;
-  int32 stencil_size;
-  int32 samples;
-  int32 sample_buffers;
-  int32 fail_if_major_perf_caveat;
-  int32 lose_context_when_out_of_memory;
-};
-
 class GL_IN_PROCESS_CONTEXT_EXPORT GLInProcessContext {
  public:
   virtual ~GLInProcessContext() {}
 
   // Create a GLInProcessContext, if |is_offscreen| is true, renders to an
   // offscreen context. |attrib_list| must be NULL or a NONE-terminated list
   // of attribute/value pairs.
   // If |surface| is not NULL, then it must match |is_offscreen| and |size|,
   // |window| must be gfx::kNullAcceleratedWidget, and the command buffer
   // service must run on the same thread as this client because GLSurface is
   // not thread safe. If |surface| is NULL, then the other parameters are used
   // to correctly create a surface.
   // Only one of |share_context| and |use_global_share_group| can be used at
   // the same time.
   static GLInProcessContext* Create(
       scoped_refptr<gpu::InProcessCommandBuffer::Service> service,
       scoped_refptr<gfx::GLSurface> surface,
       bool is_offscreen,
       gfx::AcceleratedWidget window,
       const gfx::Size& size,
       GLInProcessContext* share_context,
       bool use_global_share_group,
-      const GLInProcessContextAttribs& attribs,
+      const gpu::gles2::ContextCreationAttribHelper& attribs,
       gfx::GpuPreference gpu_preference);
 
   virtual void SetContextLostCallback(const base::Closure& callback) = 0;
 
   // Allows direct access to the GLES2 implementation so a GLInProcessContext
   // can be used without making it current.
   virtual gles2::GLES2Implementation* GetImplementation() = 0;
 
 #if defined(OS_ANDROID)
   virtual scoped_refptr<gfx::SurfaceTexture> GetSurfaceTexture(
       uint32 stream_id) = 0;
 #endif
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GL_IN_PROCESS_CONTEXT_H_