Move ViewHostMsg_CreateWidget to mojom

content/renderer/render_widget.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.
 
 #ifndef CONTENT_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 385 matching lines @@
   float GetOriginalDeviceScaleFactor() const;
 
  protected:
   // Friend RefCounted so that the dtor can be non-public. Using this class
   // without ref-counting is an error.
   friend class base::RefCounted<RenderWidget>;
 
   // For unit tests.
   friend class RenderWidgetTest;
 
+  using CreateWidgetCallback = base::OnceCallback<bool()>;
+
   enum ResizeAck {
     SEND_RESIZE_ACK,
     NO_RESIZE_ACK,
   };
 
   RenderWidget(CompositorDependencies* compositor_deps,
                blink::WebPopupType popup_type,
                const ScreenInfo& screen_info,
                bool swapped_out,
                bool hidden,
                bool never_visible);
 
   ~RenderWidget() override;
 
   static blink::WebFrameWidget* CreateWebFrameWidget(
       RenderWidget* render_widget,
       blink::WebLocalFrame* frame);
 
   // Creates a WebWidget based on the popup type.
   static blink::WebWidget* CreateWebWidget(RenderWidget* render_widget);
 
   // Initializes this view with the given opener.
   bool Init(int32_t opener_id);
 
   // Called by Init and subclasses to perform initialization.
   bool DoInit(int32_t opener_id,
               blink::WebWidget* web_widget,
-              IPC::SyncMessage* create_widget_message);
+              CreateWidgetCallback create_widget_callback);
 
   // Allows the process to exit once the unload handler has finished, if there
   // are no other active RenderWidgets.
   void WasSwappedOut();
 
   void DoDeferredClose();
   void NotifyOnClose();
 
   gfx::Size GetSizeForWebWidget() const;
   virtual void ResizeWebWidget();
@@ skipping 353 matching lines @@
 
   // Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
   std::unique_ptr<MouseLockDispatcher::LockTarget> webwidget_mouse_lock_target_;
 
  private:
   // Applies/Removes the DevTools device emulation transformation to/from a
   // window rect.
   void ScreenRectToEmulatedIfNeeded(blink::WebRect* window_rect) const;
   void EmulatedToScreenRectIfNeeded(blink::WebRect* window_rect) const;
 
+  bool CreateWidget(int32_t opener_id,
+                    blink::WebPopupType popup_type,
+                    int32_t* routing_id);
+
   // Indicates whether this widget has focus.
   bool has_focus_;
 
 #if defined(OS_MACOSX)
   // Responds to IPCs from TextInputClientMac regarding getting string at given
   // position or range as well as finding character index at a given position.
   std::unique_ptr<TextInputClientObserver> text_input_client_observer_;
 #endif
 
   // This reference is set by the RenderFrame and is used to query the IME-
   // related state from the plugin to later send to the browser.
   PepperPluginInstanceImpl* focused_pepper_plugin_;
 
   // Stores edit commands associated to the next key event.
   // Will be cleared as soon as the next key event is processed.
   EditCommands edit_commands_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_