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 ff17a2c1096494fe2c680ba5bb288743ca27ca88..2e3255ad905aa16879c280244de6229f938e87f5 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -2998,6 +2998,7 @@ void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
            visible_viewport_size_,
            resizer_rect_,
            is_fullscreen_,
+           display_mode_,
            NO_RESIZE_ACK);
   }
 }
@@ -3182,6 +3183,9 @@ void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
           ShouldDisplayScrollbars(params.new_size.width(),
                                   params.new_size.height()));
     }
+    // TODO: Shouldn't it be checked inside Blink instead?

[kenneth.christiansen, 2015/03/06 12:21:29]

I guess if this saves IPC then it is better

+    if (display_mode_ != params.display_mode)
+      webview()->setDisplayMode(display_mode_);
   }
 
   gfx::Size old_visible_viewport_size = visible_viewport_size_;
@@ -3990,7 +3994,8 @@ 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);
 }