Makes notifications animate from the bottom of the screen (as was

chrome/browser/notifications/balloon_collection_impl.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 "chrome/browser/notifications/balloon_collection_impl.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "chrome/browser/notifications/balloon.h"
@@ skipping 351 matching lines @@
 
 gfx::Point BalloonCollectionImpl::Layout::OffScreenLocation() const {
   gfx::Point location = GetLayoutOrigin();
   switch (placement_) {
     case VERTICALLY_FROM_TOP_LEFT:
     case VERTICALLY_FROM_BOTTOM_LEFT:
       location.Offset(0, kBalloonMaxHeight);
       break;
     case VERTICALLY_FROM_TOP_RIGHT:
     case VERTICALLY_FROM_BOTTOM_RIGHT:
-      location.Offset(-kBalloonMaxWidth, kBalloonMaxHeight);
+      location.Offset(-kBalloonMaxWidth - BalloonView::GetHorizontalMargin(),
+                      kBalloonMaxHeight);
       break;
     default:
       NOTREACHED();
       break;
   }
   return location;
 }
 
 bool BalloonCollectionImpl::Layout::RequiresOffsets() const {
   // Layout schemes that grow up from the bottom require offsets;
@@ skipping 86 matching lines @@
       gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().work_area();
 #endif
   if (work_area_ != new_work_area) {
     work_area_.SetRect(new_work_area.x(), new_work_area.y(),
                        new_work_area.width(), new_work_area.height());
     changed = true;
   }
 
   return changed;
 }