Pass initial size and GPU preference via context attributes

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 <stddef.h>
 #include <stdint.h>
 
@@ skipping 23 matching lines @@
 class GLES2Implementation;
 }
 
 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|,
+  // If |surface| is not NULL, then it must match |is_offscreen|,
   // |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.
   static GLInProcessContext* Create(
       scoped_refptr<gpu::InProcessCommandBuffer::Service> service,
       scoped_refptr<gl::GLSurface> surface,
       bool is_offscreen,
       gfx::AcceleratedWidget window,
-      const gfx::Size& size,
       GLInProcessContext* share_context,
       const gpu::gles2::ContextCreationAttribHelper& attribs,
-      gl::GpuPreference gpu_preference,
       const SharedMemoryLimits& memory_limits,
       GpuMemoryBufferManager* gpu_memory_buffer_manager,
       ImageFactory* image_factory);
 
   // Allows direct access to the GLES2 implementation so a GLInProcessContext
   // can be used without making it current.
   virtual gles2::GLES2Implementation* GetImplementation() = 0;
 
   virtual void SetLock(base::Lock* lock) = 0;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GL_IN_PROCESS_CONTEXT_H_