NOT FOR REVIEW: Aura Android: Content Shell compiles

ui/aura/window_tree_host.cc

Index: ui/aura/window_tree_host.cc
diff --git a/ui/aura/window_tree_host.cc b/ui/aura/window_tree_host.cc
index 5c9f25cd549d024484d4ae4a3f4b102f27e3a0d3..67c8ddb745f7b9b1ed7b4429a9bfca00f64cb7f0 100644
--- a/ui/aura/window_tree_host.cc
+++ b/ui/aura/window_tree_host.cc
@@ -32,9 +32,13 @@ const char kWindowTreeHostForAcceleratedWidget[] =
     "__AURA_WINDOW_TREE_HOST_ACCELERATED_WIDGET__";
 
 float GetDeviceScaleFactorFromDisplay(Window* window) {
-  gfx::Display display = gfx::Screen::GetScreenFor(window)->
-      GetDisplayNearestWindow(window);
+  LOG(ERROR) << "auraclank: GetDeviceScaleFactorFromDisplay";
+  gfx::Screen* screen = gfx::Screen::GetScreenFor(window);
+  LOG(ERROR) << 1;
+  gfx::Display display = screen->GetDisplayNearestWindow(window);
+  LOG(ERROR) << 2;
   DCHECK(display.is_valid());
+  LOG(ERROR) << 3;
   return display.device_scale_factor();
 }
 
@@ -64,9 +68,15 @@ void WindowTreeHost::InitHost() {
 }
 
 void WindowTreeHost::InitCompositor() {
-  compositor_->SetScaleAndSize(GetDeviceScaleFactorFromDisplay(window()),
+  LOG(ERROR) << "auraclank: WindowTreeHost::InitCompositor";
+  LOG(ERROR) << 1;
+  float sf = GetDeviceScaleFactorFromDisplay(window());
+  LOG(ERROR) << 2;
+  compositor_->SetScaleAndSize(sf,
                                GetBounds().size());
+  LOG(ERROR) << 3;
   compositor_->SetRootLayer(window()->layer());
+  LOG(ERROR) << 4;
 }
 
 void WindowTreeHost::AddObserver(WindowTreeHostObserver* observer) {
@@ -162,9 +172,13 @@ void WindowTreeHost::MoveCursorTo(const gfx::Point& location_in_dip) {
 }
 
 void WindowTreeHost::MoveCursorToHostLocation(const gfx::Point& host_location) {
+  LOG(ERROR) << "auraclank: WindowTreeHost::MoveCursorToHostLocation";
   gfx::Point root_location(host_location);
+  LOG(ERROR) << 1;
   ConvertPointFromHost(&root_location);
+  LOG(ERROR) << 2;
   MoveCursorToInternal(root_location, host_location);
+  LOG(ERROR) << 3;
 }
 
 ui::InputMethod* WindowTreeHost::GetInputMethod() {