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

ash/system/tray/tray_bubble_view.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_bubble_view.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/wm/shelf_layout_manager.h"
@@ skipping 15 matching lines @@
 
 namespace ash {
 
 namespace {
 
 const int kShadowThickness = 4;
 const int kBottomLineHeight = 1;
 const int kSystemTrayBubbleHorizontalInset = 1;
 const int kSystemTrayBubbleVerticalInset = 1;
 
-const int kArrowHeight = 10;
-const int kArrowWidth = 20;
+const int kArrowHeight = 9;
+const int kArrowWidth = 19;
 
 // Inset the arrow a bit from the edge.
 const int kArrowMinOffset = kArrowWidth / 2 + 4;
 
 const SkColor kShadowColor = SkColorSetARGB(0xff, 0, 0, 0);
 
 void DrawBlurredShadowAroundView(gfx::Canvas* canvas,
                                  int top,
                                  int bottom,
                                  int width,
@@ skipping 133 matching lines @@
       path.moveTo(SkIntToScalar(top_base_x), SkIntToScalar(top_base_y));
       path.lineTo(SkIntToScalar(tip_x), SkIntToScalar(tip_y));
       path.lineTo(SkIntToScalar(top_base_x),
                   SkIntToScalar(top_base_y + kArrowWidth));
     }
 
     views::Background* background = FindAppropriateBackground(owner_,
                                                               arrow_reference);
 
     SkPaint paint;
+    paint.setAntiAlias(true);
     paint.setStyle(SkPaint::kFill_Style);
     paint.setColor(background ? background->get_color() : kBackgroundColor);
     canvas->DrawPath(path, paint);
 
     // Now draw the arrow border.
     paint.setStyle(SkPaint::kStroke_Style);
     paint.setColor(kBorderDarkColor);
     canvas->DrawPath(path, paint);
 
   }
@@ skipping 186 matching lines @@
       return;
   }
   // Handle clicking outside the bubble and tray. We don't block the event, so
   // it will also be handled by whatever widget was clicked on.
   OnClickedOutsideView();
 }
 
 
 }  // namespace internal
 }  // namespace ash