Remove CreateGpuMemoryBufferFromClientId and plumbing

cc/output/gl_renderer_unittest.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/output/gl_renderer.h"
 
 #include <stdint.h>
 
 #include <set>
 
@@ skipping 1948 matching lines @@
   output_surface->SetOverlayCandidateValidator(validator.get());
 
   gfx::Rect viewport_rect(1, 1);
   RenderPass* root_pass =
       AddRenderPass(&render_passes_in_draw_order_, RenderPassId(1, 0),
                     viewport_rect, gfx::Transform());
   root_pass->has_transparent_background = false;
   root_pass->copy_requests.push_back(
       CopyOutputRequest::CreateRequest(base::Bind(&IgnoreCopyResult)));
 
-  TextureMailbox mailbox = TextureMailbox(
-      gpu::Mailbox::Generate(), gpu::SyncToken(), GL_TEXTURE_2D,
-      gfx::Size(256, 256), gfx::GpuMemoryBufferId(), true, false);
+  TextureMailbox mailbox =
+      TextureMailbox(gpu::Mailbox::Generate(), gpu::SyncToken(), GL_TEXTURE_2D,
+                     gfx::Size(256, 256), true, false);
   std::unique_ptr<SingleReleaseCallbackImpl> release_callback =
       SingleReleaseCallbackImpl::Create(base::Bind(&MailboxReleased));
   ResourceId resource_id = resource_provider->CreateResourceFromTextureMailbox(
       mailbox, std::move(release_callback));
   bool premultiplied_alpha = false;
   bool flipped = false;
   bool nearest_neighbor = false;
   float vertex_opacity[4] = {1.0f, 1.0f, 1.0f, 1.0f};
 
   TextureDrawQuad* overlay_quad =
@@ skipping 135 matching lines @@
   renderer.SetOverlayProcessor(processor);
 
   gfx::Rect viewport_rect(1, 1);
   RenderPass* root_pass =
       AddRenderPass(&render_passes_in_draw_order_, RenderPassId(1, 0),
                     viewport_rect, gfx::Transform());
   root_pass->has_transparent_background = false;
 
   gpu::SyncToken sync_token(gpu::CommandBufferNamespace::GPU_IO, 0,
                             gpu::CommandBufferId::FromUnsafeValue(0x123), 29);
-  TextureMailbox mailbox = TextureMailbox(
-      gpu::Mailbox::Generate(), sync_token, GL_TEXTURE_2D, gfx::Size(256, 256),
-      gfx::GpuMemoryBufferId(), true, false);
+  TextureMailbox mailbox =
+      TextureMailbox(gpu::Mailbox::Generate(), sync_token, GL_TEXTURE_2D,
+                     gfx::Size(256, 256), true, false);
   std::unique_ptr<SingleReleaseCallbackImpl> release_callback =
       SingleReleaseCallbackImpl::Create(base::Bind(&MailboxReleased));
   ResourceId resource_id = resource_provider->CreateResourceFromTextureMailbox(
       mailbox, std::move(release_callback));
   bool premultiplied_alpha = false;
   bool flipped = false;
   bool nearest_neighbor = false;
   float vertex_opacity[4] = {1.0f, 1.0f, 1.0f, 1.0f};
   gfx::PointF uv_top_left(0, 0);
   gfx::PointF uv_bottom_right(1, 1);
@@ skipping 14 matching lines @@
   EXPECT_CALL(overlay_scheduler,
               Schedule(1, gfx::OVERLAY_TRANSFORM_NONE, _, viewport_rect,
                        BoundingRect(uv_top_left, uv_bottom_right))).Times(1);
 
   renderer.DrawFrame(&render_passes_in_draw_order_, 1.f, viewport_rect,
                      viewport_rect, false);
 }
 
 }  // namespace
 }  // namespace cc