gpu: Remove Echo and SwapCompletion GL interfacess

gpu/command_buffer/client/gles2_implementation.cc

 // 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.
 
 // A class to emulate GLES2 over command buffers.
 
 #include "gpu/command_buffer/client/gles2_implementation.h"
 
 #include <GLES2/gl2ext.h>
 #include <GLES2/gl2extchromium.h>
@@ skipping 2831 matching lines @@
   GPU_CLIENT_LOG_CODE_BLOCK({
     for (int32 i = 0; i < result->GetNumResults(); ++i) {
       GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
     }
   });
   CheckGLError();
 }
 
 void GLES2Implementation::Swap() {
   SwapBuffers();
-  gpu_control_->Echo(
-      base::Bind(&GLES2Implementation::OnSwapBuffersComplete,
-                 weak_ptr_factory_.GetWeakPtr()));
 }
 
 void GLES2Implementation::PartialSwapBuffers(const gfx::Rect& sub_buffer) {
-  PostSubBufferCHROMIUM(sub_buffer.x(),
-                        sub_buffer.y(),
-                        sub_buffer.width(),
-                        sub_buffer.height());
-  gpu_control_->Echo(base::Bind(&GLES2Implementation::OnSwapBuffersComplete,
-                                weak_ptr_factory_.GetWeakPtr()));
-}
-
-void GLES2Implementation::SetSwapBuffersCompleteCallback(
-      const base::Closure& swap_buffers_complete_callback) {
-  swap_buffers_complete_callback_ = swap_buffers_complete_callback;
+  PostSubBufferCHROMIUM(
+      sub_buffer.x(), sub_buffer.y(), sub_buffer.width(), sub_buffer.height());
 }
 
 static GLenum GetGLESOverlayTransform(gfx::OverlayTransform plane_transform) {
   switch (plane_transform) {
     case gfx::OVERLAY_TRANSFORM_INVALID:
       break;
     case gfx::OVERLAY_TRANSFORM_NONE:
       return GL_OVERLAY_TRANSFORM_NONE_CHROMIUM;
     case gfx::OVERLAY_TRANSFORM_FLIP_HORIZONTAL:
       return GL_OVERLAY_TRANSFORM_FLIP_HORIZONTAL_CHROMIUM;
@@ skipping 22 matching lines @@
                                display_bounds.x(),
                                display_bounds.y(),
                                display_bounds.width(),
                                display_bounds.height(),
                                uv_rect.x(),
                                uv_rect.y(),
                                uv_rect.width(),
                                uv_rect.height());
 }
 
-void GLES2Implementation::OnSwapBuffersComplete() {
-  if (!swap_buffers_complete_callback_.is_null())
-    swap_buffers_complete_callback_.Run();
-}
-
 GLboolean GLES2Implementation::EnableFeatureCHROMIUM(
     const char* feature) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glEnableFeatureCHROMIUM("
                  << feature << ")");
   TRACE_EVENT0("gpu", "GLES2::EnableFeatureCHROMIUM");
   typedef cmds::EnableFeatureCHROMIUM::Result Result;
   Result* result = GetResultAs<Result*>();
   if (!result) {
     return false;
@@ skipping 1264 matching lines @@
   return true;
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/client/gles2_implementation_impl_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu