cc: Remove OutputSurfaceClient::DidSwapBuffers().

cc/test/fake_output_surface.cc

 // Copyright 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.
 
 #include "cc/test/fake_output_surface.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "cc/output/output_surface_client.h"
@@ skipping 46 matching lines @@
           last_sent_frame_->delegated_frame_data->resource_list.end());
     }
 
     ++num_sent_frames_;
   } else {
     last_swap_rect_ = frame_copy->gl_frame_data->sub_buffer_rect;
     last_sent_frame_ = std::move(frame_copy);
     ++num_sent_frames_;
   }
   PostSwapBuffersComplete();
-  client_->DidSwapBuffers();
 }
 
 void FakeOutputSurface::BindFramebuffer() {
   if (framebuffer_) {
     context_provider_->ContextGL()->BindFramebuffer(GL_FRAMEBUFFER,
                                                     framebuffer_);
   } else {
     OutputSurface::BindFramebuffer();
   }
 }
@@ skipping 49 matching lines @@
     const {
   return overlay_candidate_validator_;
 }
 
 void FakeOutputSurface::SetMemoryPolicyToSetAtBind(
     std::unique_ptr<ManagedMemoryPolicy> memory_policy_to_set_at_bind) {
   memory_policy_to_set_at_bind_.swap(memory_policy_to_set_at_bind);
 }
 
 }  // namespace cc