Make it possible to set the display mode from Chromium

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index f524896b2a2dc09cfcaf91744335f5becf7f6287..5eeb7cd545ca7b5ac10e3043784f03c7ad90ff7a 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -653,6 +653,7 @@ void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
   surface_id_ = params.surface_id;
   if (params.opener_route_id != MSG_ROUTING_NONE && was_created_by_renderer)
     opener_id_ = params.opener_route_id;
+  display_mode_= params.initial_size.display_mode;
 
   // Ensure we start with a valid next_page_id_ from the browser.
   DCHECK_GE(next_page_id_, 0);
@@ -707,6 +708,7 @@ void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
   g_view_map.Get().insert(std::make_pair(webview(), this));
   g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
   webview()->setDeviceScaleFactor(device_scale_factor_);
+  webview()->setDisplayMode(display_mode_);
   webview()->settings()->setPreferCompositingToLCDTextEnabled(
       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
   webview()->settings()->setThreadedScrollingEnabled(
@@ -2668,6 +2670,7 @@ void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
            visible_viewport_size_,
            resizer_rect_,
            is_fullscreen_,
+           display_mode_,
            NO_RESIZE_ACK);
   }
 }
@@ -2855,6 +2858,10 @@ void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
           ShouldDisplayScrollbars(params.new_size.width(),
                                   params.new_size.height()));
     }
+    if (display_mode_ != params.display_mode) {
+      display_mode_ = params.display_mode;
+      webview()->setDisplayMode(display_mode_);
+    }
   }
 
   gfx::Size old_visible_viewport_size = visible_viewport_size_;
@@ -3675,7 +3682,8 @@ void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
   params.top_controls_shrink_blink_size = false;
   params.top_controls_height = 0.f;
   params.resizer_rect = WebRect();
-  params.is_fullscreen = is_fullscreen();
+  params.is_fullscreen = is_fullscreen_;
+  params.display_mode = display_mode_;
   OnResize(params);
 }