Decouple RVH creation from CrossProcessFrameConnector.

content/browser/frame_host/cross_process_frame_connector.cc

Index: content/browser/frame_host/cross_process_frame_connector.cc
diff --git a/content/browser/frame_host/cross_process_frame_connector.cc b/content/browser/frame_host/cross_process_frame_connector.cc
index 19fcdf0d4b07713fe2cabee147f26ad574deec00..0dc101bf5496046e95b85ceeacb28c4eb8b57377 100644
--- a/content/browser/frame_host/cross_process_frame_connector.cc
+++ b/content/browser/frame_host/cross_process_frame_connector.cc
@@ -54,9 +54,12 @@ void CrossProcessFrameConnector::set_view(
 
   view_ = view;
 
-  // Attach ourselves to the new view.
-  if (view_)
+  // Attach ourselves to the new view and size it appropriately.
+  if (view_) {
     view_->set_cross_process_frame_connector(this);
+    SetDeveiceScaleFactor(device_scale_factor_);
+    SetSize(child_frame_rect_);
+  }
 }
 
 void CrossProcessFrameConnector::RenderProcessGone() {
@@ -124,20 +127,11 @@ void CrossProcessFrameConnector::OnReclaimCompositorResources(
 
 void CrossProcessFrameConnector::OnInitializeChildFrame(gfx::Rect frame_rect,
                                                         float scale_factor) {
-  if (scale_factor != device_scale_factor_) {
-    device_scale_factor_ = scale_factor;
-    if (view_) {
-      RenderWidgetHostImpl* child_widget =
-          RenderWidgetHostImpl::From(view_->GetRenderWidgetHost());
-      child_widget->NotifyScreenInfoChanged();
-    }
-  }
+  if (scale_factor != device_scale_factor_)
+    SetDeveiceScaleFactor(scale_factor);
 
-  if (!frame_rect.size().IsEmpty()) {
-    child_frame_rect_ = frame_rect;
-    if (view_)
-      view_->SetSize(frame_rect.size());
-  }
+  if (!frame_rect.size().IsEmpty())
+    SetSize(frame_rect);
 }
 
 gfx::Rect CrossProcessFrameConnector::ChildFrameRect() {
@@ -176,4 +170,19 @@ void CrossProcessFrameConnector::OnForwardInputEvent(
   }
 }
 
+void CrossProcessFrameConnector::SetDeveiceScaleFactor(float scale_factor) {
+  device_scale_factor_ = scale_factor;
+  if (view_) {
+    RenderWidgetHostImpl* child_widget =
+        RenderWidgetHostImpl::From(view_->GetRenderWidgetHost());
+    child_widget->NotifyScreenInfoChanged();
+  }
+}
+
+void CrossProcessFrameConnector::SetSize(gfx::Rect frame_rect) {
+  child_frame_rect_ = frame_rect;
+  if (view_)
+    view_->SetSize(frame_rect.size());
+}
+
 }  // namespace content