Pass the size to the RenderView on creation.

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index f09be50cc455cfccd7b1edc9764228c44469c2f2..91cd0e8c3bafae3e2348e8ed0426cb33fb8d62c1 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -288,7 +288,7 @@ bool RenderViewHostImpl::CreateRenderView(
   params.never_visible = delegate_->IsNeverVisible();
   params.window_was_created_with_opener = window_was_created_with_opener;
   params.next_page_id = next_page_id;
-  GetWebScreenInfo(&params.screen_info);
+  GetNewViewResizeParams(&params.initial_size);
 
   Send(new ViewMsg_New(params));
 
@@ -1233,6 +1233,7 @@ void RenderViewHostImpl::OnBlur() {
 }
 
 gfx::Rect RenderViewHostImpl::GetRootWindowResizerRect() const {
+  if (!delegate_) return gfx::Rect();

[piman, 2014/10/29 18:42:57]

In which case is that NULL?
The 2 places that set delegate_ (the constructor and set_delegate) CHECK that
it's !NULL.

[mkosiba (inactive), 2014/10/31 14:35:05]

my bad, I got these mixed up with view_.

   return delegate_->GetRootWindowResizerRect();
 }