Fix notifications being too large on OSX.

chrome/browser/notifications/balloon.cc

 // Copyright (c) 2009 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.h"
 
 #include "base/logging.h"
 #include "chrome/browser/notifications/balloon_collection.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/renderer_host/site_instance.h"
@@ skipping 10 matching lines @@
 Balloon::~Balloon() {
 }
 
 void Balloon::SetPosition(const gfx::Point& upper_left, bool reposition) {
   position_ = upper_left;
   if (reposition && balloon_view_.get())
     balloon_view_->RepositionToBalloon();
 }
 
 void Balloon::SetContentPreferredSize(const gfx::Size& size) {
-  gfx::Size new_size(size);
-#if defined(OS_MACOSX)
-  // TODO(levin): Make all of the code that went in with this change to be
-  // cross-platform. See http://crbug.com/64720
-  // Only allow the size of notifications to grow.  This stops the balloon
-  // from jumping between sizes due to dynamic content.  For example, the
-  // balloon's contents may adjust due to changes in
-  // document.body.clientHeight.
-  new_size.set_height(std::max(new_size.height(), content_size_.height()));
-
-  if (content_size_ == new_size)
-    return;
-#endif
-  collection_->ResizeBalloon(this, new_size);
+  collection_->ResizeBalloon(this, size);
 }
 
 void Balloon::set_view(BalloonView* balloon_view) {
   balloon_view_.reset(balloon_view);
 }
 
 void Balloon::Show() {
   notification_->Display();
   if (balloon_view_.get()) {
     balloon_view_->Show(this);
@@ skipping 18 matching lines @@
   notification_->Close(by_user);
   collection_->OnBalloonClosed(this);
 }
 
 void Balloon::CloseByScript() {
   // A user-initiated close begins with the view and then closes this object;
   // we simulate that with a script-initiated close but pass |by_user|=false.
   DCHECK(balloon_view_.get());
   balloon_view_->Close(false);
 }