Move IN_OVERFLOW from Panel::ExpansionState to new enum.

chrome/browser/ui/panels/base_panel_browser_test.cc

Index: chrome/browser/ui/panels/base_panel_browser_test.cc
diff --git a/chrome/browser/ui/panels/base_panel_browser_test.cc b/chrome/browser/ui/panels/base_panel_browser_test.cc
index 5abb51a8347ad7adc0b629cc0acb7d7e7dde301d..b67f48249a137ada69f07d788007a24b19bc9958 100644
--- a/chrome/browser/ui/panels/base_panel_browser_test.cc
+++ b/chrome/browser/ui/panels/base_panel_browser_test.cc
@@ -261,6 +261,17 @@ void BasePanelBrowserTest::WaitForBoundsAnimationFinished(Panel* panel) {
   EXPECT_TRUE(!panel_testing->IsAnimatingBounds());
 }
 
+void BasePanelBrowserTest::WaitForLayoutStateChanged(
+    Panel* panel, Panel::LayoutState layout_state) {
+  ui_test_utils::WindowedNotificationObserver signal(
+      chrome::NOTIFICATION_PANEL_CHANGED_LAYOUT_STATE,
+      content::Source<Panel>(panel));
+  if (panel->layout_state() == layout_state)
+    return;
+  signal.Wait();
+  EXPECT_EQ(layout_state, panel->layout_state());
+}
+
 void BasePanelBrowserTest::WaitForExpansionStateChanged(
     Panel* panel, Panel::ExpansionState expansion_state) {
   ui_test_utils::WindowedNotificationObserver signal(
@@ -390,6 +401,14 @@ scoped_refptr<Extension> BasePanelBrowserTest::CreateExtension(
   return extension;
 }
 
+void BasePanelBrowserTest::ClickPanelTitlebar(Panel* panel) {
+  scoped_ptr<NativePanelTesting> native_panel_testing(
+      NativePanelTesting::Create(panel->native_panel()));
+  native_panel_testing->PressLeftMouseButtonTitlebar(
+      panel->GetBounds().origin());
+  native_panel_testing->ReleaseMouseButtonTitlebar();
+}
+
 void BasePanelBrowserTest::CloseWindowAndWait(Browser* browser) {
   // Closing a browser window may involve several async tasks. Need to use
   // message pump and wait for the notification.