Revert of Make RenderFrame(Host) own a RenderWidget(Host).

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 7c0ac990c6ef6c32559c2ec884a93dcc08283201..b4113dde2666d8a90ab6ad84a89149e7a3c11582 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -117,7 +117,6 @@
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebColorSuggestion.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
-#include "third_party/WebKit/public/web/WebFrameWidget.h"
 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h"
@@ -552,9 +551,7 @@
     int routing_id,
     int parent_routing_id,
     int proxy_routing_id,
-    const FrameReplicationState& replicated_state,
-    CompositorDependencies* compositor_deps,
-    const FrameMsg_NewFrame_WidgetParams& widget_params) {
+    const FrameReplicationState& replicated_state) {
   // TODO(nasko): For now, this message is only sent for subframes, as the
   // top level frame is created when the RenderView is created through the
   // ViewMsg_New IPC.
@@ -586,20 +583,6 @@
     web_frame->initializeToReplaceRemoteFrame(proxy->web_frame());
   }
   render_frame->SetWebFrame(web_frame);
-
-  if (widget_params.routing_id != MSG_ROUTING_NONE) {
-    CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
-        switches::kSitePerProcess));
-    render_frame->render_widget_ = RenderWidget::CreateForFrame(
-        widget_params.routing_id, widget_params.surface_id,
-        widget_params.hidden, render_frame->render_view_->screen_info(),
-        compositor_deps, web_frame);
-    // TODO(kenrb): Observing shouldn't be necessary when we sort out
-    // WasShown and WasHidden, separating page-level visibility from
-    // frame-level visibility.
-    render_frame->render_widget_->RegisterRenderFrame(render_frame);
-  }
-
   render_frame->Initialize();
 }
 
@@ -3583,13 +3566,6 @@
 }
 
 void RenderFrameImpl::WasShown() {
-  // TODO(kenrb): Need to figure out how to do this better. Should
-  // VisibilityState remain a page-level concept or move to frames?
-  // The semantics of 'Show' might have to change here.
-  if (render_widget_) {
-    render_view()->webview()->setVisibilityState(
-        blink::WebPageVisibilityStateVisible, false);
-  }
   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WasShown());
 }