Fix a couple panel overflow related bugs.

chrome/browser/ui/panels/base_panel_browser_test.cc

 // Copyright (c) 2011 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/ui/panels/base_panel_browser_test.h"
 
 #include "chrome/browser/ui/browser_list.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 236 matching lines @@
       NativePanelTesting::Create(panel->native_panel()));
   ui_test_utils::WindowedNotificationObserver signal(
       chrome::NOTIFICATION_PANEL_BOUNDS_ANIMATIONS_FINISHED,
       content::Source<Panel>(panel));
   if (!panel_testing->IsAnimatingBounds())
     return;
   signal.Wait();
   EXPECT_TRUE(!panel_testing->IsAnimatingBounds());
 }
 
+void BasePanelBrowserTest::WaitForExpansionStateChanged(
+    Panel* panel, Panel::ExpansionState expansion_state) {
+  ui_test_utils::WindowedNotificationObserver signal(
+      chrome::NOTIFICATION_PANEL_CHANGED_EXPANSION_STATE,
+      content::Source<Panel>(panel));
+  if (panel->expansion_state() == expansion_state)
+    return;
+  signal.Wait();
+  EXPECT_EQ(expansion_state, panel->expansion_state());
+}
+
 Panel* BasePanelBrowserTest::CreatePanelWithParams(
     const CreatePanelParams& params) {
 #if defined(OS_MACOSX)
   // Opening panels on a Mac causes NSWindowController of the Panel window
   // to be autoreleased. We need a pool drained after it's done so the test
   // can close correctly. The NSWindowController of the Panel window controls
   // lifetime of the Browser object so we want to release it as soon as
   // possible. In real Chrome, this is done by message pump.
   // On non-Mac platform, this is an empty class.
   base::mac::ScopedNSAutoreleasePool autorelease_pool;
@@ skipping 94 matching lines @@
   std::string error;
   scoped_refptr<Extension> extension = Extension::Create(
       full_path,  location, *input_value,
       Extension::STRICT_ERROR_CHECKS, &error);
   EXPECT_TRUE(extension.get());
   EXPECT_STREQ("", error.c_str());
   browser()->GetProfile()->GetExtensionService()->
       OnExtensionInstalled(extension.get(), false, -1);
   return extension;
 }