Set capture to the window being dragged when dragging a window on Ash

ui/aura/window_tree_host_ozone.cc

Index: ui/aura/window_tree_host_ozone.cc
diff --git a/ui/aura/window_tree_host_ozone.cc b/ui/aura/window_tree_host_ozone.cc
index 2fe6a9fffdc25da9ea97acb564bee91958bcf5ac..fe7f52c22fec2dbee396c6d37af1cd749096a8a1 100644
--- a/ui/aura/window_tree_host_ozone.cc
+++ b/ui/aura/window_tree_host_ozone.cc
@@ -86,11 +86,11 @@ gfx::Point WindowTreeHostOzone::GetLocationOnNativeScreen() const {
 }
 
 void WindowTreeHostOzone::SetCapture() {
-  platform_window_->SetCapture();
+  //platform_window_->SetCapture();

[pkotwicz, 2014/12/08 20:05:18]

I have commented this out to demonstrate that native capture is unnecessary. I
do not plan on landing the change to this file. I do plan on landing the change
to toplevel_window_event_handler.cc

https://codereview.chromium.org/780273003/ is necessary if native capture is
enabled.

 }
 
 void WindowTreeHostOzone::ReleaseCapture() {
-  platform_window_->ReleaseCapture();
+  //platform_window_->ReleaseCapture();
 }
 
 void WindowTreeHostOzone::SetCursorNative(gfx::NativeCursor cursor) {