Make it possible to set the display mode from Chromium

content/browser/renderer_host/render_view_host_impl.cc

 // 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.
 
 #include "content/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 1169 matching lines @@
 
 void RenderViewHostImpl::RequestToLockMouse(bool user_gesture,
                                             bool last_unlocked_by_target) {
   delegate_->RequestToLockMouse(user_gesture, last_unlocked_by_target);
 }
 
 bool RenderViewHostImpl::IsFullscreen() const {
   return delegate_->IsFullscreenForCurrentTab();
 }
 
+blink::WebDisplayMode RenderViewHostImpl::GetDisplayMode() const {
+  return delegate_->GetDisplayMode();
+}
+
 void RenderViewHostImpl::OnFocus() {
   // Note: We allow focus and blur from swapped out RenderViewHosts, even when
   // the active RenderViewHost is in a different BrowsingInstance (e.g., WebUI).
   delegate_->Activate();
 }
 
 void RenderViewHostImpl::OnBlur() {
   delegate_->Deactivate();
 }
 
@@ skipping 184 matching lines @@
   FrameTree* frame_tree = delegate_->GetFrameTree();
 
   frame_tree->ResetForMainFrameSwap();
 }
 
 void RenderViewHostImpl::SelectWordAroundCaret() {
   Send(new ViewMsg_SelectWordAroundCaret(GetRoutingID()));
 }
 
 }  // namespace content