Uber tray UI Polish: Adjust uber tray bubble and arrow to align it with the app list bubble.

ash/system/tray/tray_constants.cc

 // Copyright (c) 2012 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 "ash/system/tray/tray_constants.h"
 
 #include "third_party/skia/include/core/SkColor.h"
 
 namespace ash {
 
 const int kPaddingFromRightEdgeOfScreenBottomAlignment = 15;
-const int kPaddingFromBottomOfScreenBottomAlignment = 10;
+const int kPaddingFromBottomOfScreenBottomAlignment = 9;
 const int kPaddingFromOuterEdgeOfLauncherVerticalAlignment = 8;
-const int kPaddingFromInnerEdgeOfLauncherVerticalAlignment = 7;
+const int kPaddingFromInnerEdgeOfLauncherVerticalAlignment = 9;
 const int kPaddingFromBottomOfScreenVerticalAlignment = 10;
 
 const int kTrayImageItemHorizontalPaddingBottomAlignment = 1;
 const int kTrayImageItemHorizontalPaddingVerticalAlignment = 1;
 const int kTrayImageItemVerticalPaddingVerticalAlignment = 1;
 
 const int kTrayLabelItemHorizontalPaddingBottomAlignment = 7;
 const int kTrayLabelItemVerticalPaddingVeriticalAlignment = 4;
 
 const int kTrayPopupAutoCloseDelayInSeconds = 2;
@@ skipping 21 matching lines @@
 
 const SkColor kHeaderTextColorNormal = SkColorSetARGB(0x7f, 0, 0, 0);
 const SkColor kHeaderTextColorHover = SkColorSetARGB(0xd3, 0, 0, 0);
 
 const int kTrayPopupWidth = 300;
 const int kNotificationIconWidth = 40;
 const int kTrayNotificationContentsWidth =
     kTrayPopupWidth - kNotificationIconWidth*2 - kTrayPopupPaddingHorizontal*2;
 
 }  // namespace ash