Use kRenderClientId command line flag when starting a render process

content/renderer/render_widget.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.
 
 #include "content/renderer/render_widget.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 483 matching lines @@
     IPC_MESSAGE_HANDLER(ViewMsg_EnableDeviceEmulation,
                         OnEnableDeviceEmulation)
     IPC_MESSAGE_HANDLER(ViewMsg_DisableDeviceEmulation,
                         OnDisableDeviceEmulation)
     IPC_MESSAGE_HANDLER(ViewMsg_WasHidden, OnWasHidden)
     IPC_MESSAGE_HANDLER(ViewMsg_WasShown, OnWasShown)
     IPC_MESSAGE_HANDLER(ViewMsg_Repaint, OnRepaint)
     IPC_MESSAGE_HANDLER(ViewMsg_SetTextDirection, OnSetTextDirection)
     IPC_MESSAGE_HANDLER(ViewMsg_Move_ACK, OnRequestMoveAck)
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateScreenRects, OnUpdateScreenRects)
-    IPC_MESSAGE_HANDLER(ViewMsg_SetFrameSinkId, OnSetFrameSinkId)
     IPC_MESSAGE_HANDLER(ViewMsg_WaitForNextFrameForTests,
                         OnWaitNextFrameForTests)
     IPC_MESSAGE_HANDLER(InputMsg_RequestCompositionUpdate,
                         OnRequestCompositionUpdate)
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(InputMsg_ImeEventAck, OnImeEventAck)
     IPC_MESSAGE_HANDLER(InputMsg_RequestTextInputStateUpdate,
                         OnRequestTextInputStateUpdate)
     IPC_MESSAGE_HANDLER(InputMsg_ImeBatchEdit,
                         OnImeBatchEdit)
@@ skipping 592 matching lines @@
                                                compositor_deps_);
   compositor_->setViewportSize(physical_backing_size_);
   OnDeviceScaleFactorChanged();
   compositor_->SetDeviceColorSpace(screen_info_.icc_profile.GetColorSpace());
   // For background pages and certain tests, we don't want to trigger
   // CompositorFrameSink creation.
   if (compositor_never_visible_ || !RenderThreadImpl::current())
     compositor_->SetNeverVisible();
 
   StartCompositor();
+  DCHECK_NE(MSG_ROUTING_NONE, routing_id_);
+  compositor_->SetFrameSinkId(
+      cc::FrameSinkId(RenderThread::Get()->GetClientId(), routing_id_));
 }
 
 void RenderWidget::WillCloseLayerTreeView() {
   if (host_closing_)
     return;
 
   // Prevent new compositors or output surfaces from being created.
   host_closing_ = true;
 
   // Always send this notification to prevent new layer tree views from
@@ skipping 374 matching lines @@
 }
 
 void RenderWidget::OnUpdateWindowScreenRect(
     const gfx::Rect& window_screen_rect) {
   if (screen_metrics_emulator_)
     screen_metrics_emulator_->OnUpdateWindowScreenRect(window_screen_rect);
   else
     window_screen_rect_ = window_screen_rect;
 }
 
-void RenderWidget::OnSetFrameSinkId(const cc::FrameSinkId& frame_sink_id) {
-  if (compositor_)
-    compositor_->SetFrameSinkId(frame_sink_id);
-}
-
 void RenderWidget::OnHandleCompositorProto(const std::vector<uint8_t>& proto) {
   if (compositor_)
     compositor_->OnHandleCompositorProto(proto);
 }
 
 void RenderWidget::showImeIfNeeded() {
   OnShowImeIfNeeded();
 }
 
 ui::TextInputType RenderWidget::GetTextInputType() {
@@ skipping 562 matching lines @@
 bool RenderWidget::isPointerLocked() {
   return mouse_lock_dispatcher_->IsMouseLockedTo(
       webwidget_mouse_lock_target_.get());
 }
 
 blink::WebWidget* RenderWidget::GetWebWidget() const {
   return webwidget_internal_;
 }
 
 }  // namespace content