Complete disable_gl_rgb_format workaround for Mali-400 GPU

gpu/command_buffer/service/framebuffer_manager.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_SERVICE_FRAMEBUFFER_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 105 matching lines @@
   void MarkAsValid() {
     has_been_bound_ = true;
   }
 
   bool IsValid() const {
     return has_been_bound_ && !IsDeleted();
   }
 
   bool HasDepthAttachment() const;
   bool HasStencilAttachment() const;
-  GLenum GetDrawBufferInternalFormat() const;
+  GLenum GetColorAttachment0Format() const;
   GLenum GetReadBufferInternalFormat() const;
   // If the color attachment is a texture, returns its type; otherwise,
   // returns 0.
   GLenum GetReadBufferTextureType() const;
 
   // Verify all the rules in OpenGL ES 2.0.25 4.4.5 are followed.
   // Returns GL_FRAMEBUFFER_COMPLETE if there are no reasons we know we can't
   // use this combination of attachments. Otherwise returns the value
   // that glCheckFramebufferStatus should return for this set of attachments.
   // Note that receiving GL_FRAMEBUFFER_COMPLETE from this function does
@@ skipping 175 matching lines @@
 
   scoped_refptr<FramebufferCompletenessCache> framebuffer_combo_complete_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(FramebufferManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_