Fix tab dragging in unity2d

chrome/browser/ui/aura/tabs/dock_info_aurax11.cc

Index: chrome/browser/ui/aura/tabs/dock_info_aurax11.cc
diff --git a/chrome/browser/ui/aura/tabs/dock_info_aurax11.cc b/chrome/browser/ui/aura/tabs/dock_info_aurax11.cc
index b32822cabb5311cf53a0876b4455ddc17abe2fc8..92478211528d48b5acdb5fe959fbfda055749b33 100644
--- a/chrome/browser/ui/aura/tabs/dock_info_aurax11.cc
+++ b/chrome/browser/ui/aura/tabs/dock_info_aurax11.cc
@@ -79,16 +79,11 @@ class TopMostFinder : public BaseWindowFinder {
       return false;
     }
 
-    gfx::Rect rect;
-    if (ui::GetWindowRect(window, &rect) && rect.Contains(screen_loc_)) {
-      // At this point we haven't found our target window, so this window is
-      // higher in the z-order than the target window.  If this window contains
-      // the point, then we can stop the search now because this window is
-      // obscuring the target window at this point.
-      return true;
-    }
-
-    return false;
+    // At this point we haven't found our target window, so this window is
+    // higher in the z-order than the target window.  If this window contains
+    // the point, then we can stop the search now because this window is
+    // obscuring the target window at this point.
+    return ui::WindowContainsPoint(window, screen_loc_);
   }
 
  private:
@@ -147,8 +142,7 @@ class LocalProcessWindowFinder : public BaseWindowFinder {
     if (!ui::IsWindowVisible(window))
       return false;
 
-    gfx::Rect rect;
-    if (ui::GetWindowRect(window, &rect) && rect.Contains(screen_loc_)) {
+    if (ui::WindowContainsPoint(window, screen_loc_)) {
       result_ = window;
       return true;
     }