Remove 2-stage RenderWidget initialization

content/common/view_messages.h

 // 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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/memory/shared_memory.h"
 #include "base/process/process.h"
 #include "base/strings/string16.h"
@@ skipping 565 matching lines @@
                     int /* history_offset */,
                     int /* history_length */)
 
 // Tells the renderer to create a new view.
 // This message is slightly different, the view it takes (via
 // ViewMsg_New_Params) is the view to create, the message itself is sent as a
 // non-view control message.
 IPC_MESSAGE_CONTROL1(ViewMsg_New,
                      ViewMsg_New_Params)
 
-// Reply in response to ViewHostMsg_ShowView or ViewHostMsg_ShowWidget.
-// similar to the new command, but used when the renderer created a view
-// first, and we need to update it.
-IPC_MESSAGE_ROUTED0(ViewMsg_CreatingNew_ACK)
-
 // Sends updated preferences to the renderer.
 IPC_MESSAGE_ROUTED1(ViewMsg_SetRendererPrefs,
                     content::RendererPreferences)
 
 // This passes a set of webkit preferences down to the renderer.
 IPC_MESSAGE_ROUTED1(ViewMsg_UpdateWebPreferences,
                     content::WebPreferences)
 
 // Informs the renderer that the timezone has changed along with a new
 // timezone ID.
@@ skipping 363 matching lines @@
 
 // -----------------------------------------------------------------------------
 // Messages sent from the renderer to the browser.
 
 // Sent by renderer to request a ViewMsg_BeginFrame message for upcoming
 // display events. If |enabled| is true, the BeginFrame message will continue
 // to be be delivered until the notification is disabled.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetNeedsBeginFrames,
                     bool /* enabled */)
 
-// Sent by the renderer when it is creating a new window.  The browser creates
-// a tab for it and responds with a ViewMsg_CreatingNew_ACK.  If route_id is
-// MSG_ROUTING_NONE, the view couldn't be created.
+// Sent by the renderer when it is creating a new window.  The browser creates a
+// tab for it.  If route_id is MSG_ROUTING_NONE, the view couldn't be created.
 IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_CreateWindow,
                             ViewHostMsg_CreateWindow_Params,
                             int /* route_id */,
                             int /* main_frame_route_id */,
                             int64 /* cloned_session_storage_namespace_id */)
 
 // Similar to ViewHostMsg_CreateWindow, except used for sub-widgets, like
 // <select> dropdowns.  This message is sent to the WebContentsImpl that
 // contains the widget being created.
 IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_CreateWidget,
@@ skipping 31 matching lines @@
                     bool /* opened_by_user_gesture */)
 
 IPC_MESSAGE_ROUTED2(ViewHostMsg_ShowWidget,
                     int /* route_id */,
                     gfx::Rect /* initial_rect */)
 
 // Message to show a full screen widget.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowFullscreenWidget,
                     int /* route_id */)
 
-// Indicates the renderer is ready in response to a ViewMsg_New or
-// a ViewMsg_CreatingNew_ACK.
-IPC_MESSAGE_ROUTED0(ViewHostMsg_RenderViewReady)
-
 // Sent by the renderer process to request that the browser close the view.
 // This corresponds to the window.close() API, and the browser may ignore
 // this message.  Otherwise, the browser will generates a ViewMsg_Close
 // message to close the view.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_Close)
 
 // Send in response to a ViewMsg_UpdateScreenRects so that the renderer can
 // throttle these messages.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_UpdateScreenRects_ACK)
 
@@ skipping 343 matching lines @@
 // Instructs the browser to start plugin IME.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_StartPluginIme)
 
 // Receives content of a web page as plain text.
 IPC_MESSAGE_ROUTED1(ViewMsg_GetRenderedTextCompleted, std::string);
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.