Make <webview> use out-of-process iframe architecture.

content/browser/frame_host/cross_process_frame_connector.cc

 // Copyright 2014 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/browser/frame_host/cross_process_frame_connector.h"
 
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_manager.h"
 #include "content/browser/compositor/surface_utils.h"
+#include "content/browser/frame_host/frame_tree_node.h"
+#include "content/browser/frame_host/render_frame_host_manager.h"
 #include "content/browser/frame_host/render_frame_proxy_host.h"
 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/common/frame_messages.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 
 namespace content {
@@ skipping 117 matching lines @@
 
   if (!frame_rect.size().IsEmpty())
     SetSize(frame_rect);
 }
 
 gfx::Rect CrossProcessFrameConnector::ChildFrameRect() {
   return child_frame_rect_;
 }
 
 void CrossProcessFrameConnector::GetScreenInfo(blink::WebScreenInfo* results) {
+  // Inner WebContents's root FrameTreeNode does not have a parent(), so
+  // GetRenderWidgetHostView() call below will fail.
+  // TODO(lazyboy): Fix this.
+  if (frame_proxy_in_parent_renderer_->frame_tree_node()
+          ->render_manager()
+          ->ForInnerDelegate()) {
+    return;
+  }
+
   RenderWidgetHostView* rwhv =
       frame_proxy_in_parent_renderer_->GetRenderWidgetHostView();
   if (rwhv)
     static_cast<RenderWidgetHostViewBase*>(rwhv)->GetScreenInfo(results);
 }
 
 void CrossProcessFrameConnector::OnForwardInputEvent(
     const blink::WebInputEvent* event) {
   if (!view_)
     return;
 
   RenderWidgetHostImpl* child_widget =
       RenderWidgetHostImpl::From(view_->GetRenderWidgetHost());
+  RenderFrameHostManager* manager =
+      frame_proxy_in_parent_renderer_->frame_tree_node()->render_manager();
   RenderWidgetHostImpl* parent_widget =
-      frame_proxy_in_parent_renderer_->GetRenderViewHost();
+      manager->ForInnerDelegate()
+          ? manager->GetOuterRenderWidgetHostForKeyboardInput()
+          : frame_proxy_in_parent_renderer_->GetRenderViewHost();
 
   if (blink::WebInputEvent::isKeyboardEventType(event->type)) {
     if (!parent_widget->GetLastKeyboardEvent())
       return;
     NativeWebKeyboardEvent keyboard_event(
         *parent_widget->GetLastKeyboardEvent());
     child_widget->ForwardKeyboardEvent(keyboard_event);
     return;
   }
 
@@ skipping 20 matching lines @@
   }
 }
 
 void CrossProcessFrameConnector::SetSize(gfx::Rect frame_rect) {
   child_frame_rect_ = frame_rect;
   if (view_)
     view_->SetSize(frame_rect.size());
 }
 
 }  // namespace content