Remove 2-stage RenderWidget initialization

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 323c0b810fd32f4d2ac3c1f3e9618bc8cbc2af73..b9b88967e00a66631bb3ab819799f77350cc341e 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -402,8 +402,6 @@ void RenderWidgetHostImpl::Init() {
 
   renderer_initialized_ = true;
 
-  // Send the ack along with the information on placement.
-  Send(new ViewMsg_CreatingNew_ACK(routing_id_));
   GetProcess()->ResumeRequestsForView(routing_id_);
 
   // If the RWHV has not yet been set, the surface ID namespace will get
@@ -413,6 +411,7 @@ void RenderWidgetHostImpl::Init() {
                                            view_->GetSurfaceIdNamespace()));
   }
 
+  SendScreenRects();
   WasResized();
 }
 
@@ -449,7 +448,6 @@ bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
                         OnQueueSyntheticGesture)
     IPC_MESSAGE_HANDLER(InputHostMsg_ImeCancelComposition,
                         OnImeCancelComposition)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_RenderViewReady, OnRenderViewReady)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Close, OnClose)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateScreenRects_ACK,
                         OnUpdateScreenRectsAck)
@@ -1442,11 +1440,6 @@ void RenderWidgetHostImpl::ClearDisplayedGraphics() {
     view_->ClearCompositorFrame();
 }
 
-void RenderWidgetHostImpl::OnRenderViewReady() {
-  SendScreenRects();
-  WasResized();
-}
-
 void RenderWidgetHostImpl::OnRenderProcessGone(int status, int exit_code) {
   // RenderFrameHost owns a RenderWidgetHost when it needs one, in which case
   // it handles destruction.