SetDeviceScaleFactorForTest

ui/aura/window_tree_host.cc

 // Copyright (c) 2013 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 "ui/aura/window_tree_host.h"
 
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/aura/client/capture_client.h"
 #include "ui/aura/client/cursor_client.h"
@@ skipping 255 matching lines @@
                "origin", new_location.ToString());
 
   FOR_EACH_OBSERVER(WindowTreeHostObserver, observers_,
                     OnHostMoved(this, new_location));
 }
 
 void WindowTreeHost::OnHostResized(const gfx::Size& new_size) {
   gfx::Size adjusted_size(new_size);
   adjusted_size.Enlarge(output_surface_padding_.width(),
                         output_surface_padding_.height());
+  display::Display display =
+      display::Screen::GetScreen()->GetDisplayNearestWindow(window());
+
+  LOG(ERROR) << "OnHostResized called:" << new_size.ToString()
+             << ", display=" << display.ToString();
+
   // The compositor should have the same size as the native root window host.
   // Get the latest scale from display because it might have been changed.
   compositor_->SetScaleAndSize(GetDeviceScaleFactorFromDisplay(window()),
                                adjusted_size);
 
   gfx::Size layer_size = GetBounds().size();
   // The layer, and the observers should be notified of the
   // transformed size of the root window.
   UpdateRootWindowSize(layer_size);
   FOR_EACH_OBSERVER(WindowTreeHostObserver, observers_, OnHostResized(this));
@@ skipping 33 matching lines @@
   client::CursorClient* cursor_client = client::GetCursorClient(window());
   if (cursor_client) {
     const display::Display& display =
         display::Screen::GetScreen()->GetDisplayNearestWindow(window());
     cursor_client->SetDisplay(display);
   }
   dispatcher()->OnCursorMovedToRootLocation(root_location);
 }
 
 }  // namespace aura