Make panel adjust bounds per preferred size change notification on Windows.

chrome/browser/ui/panels/panel_browser_window_cocoa.mm

Index: chrome/browser/ui/panels/panel_browser_window_cocoa.mm
===================================================================
--- chrome/browser/ui/panels/panel_browser_window_cocoa.mm	(revision 95921)
+++ chrome/browser/ui/panels/panel_browser_window_cocoa.mm	(working copy)
@@ -167,6 +167,20 @@
   controller_ = NULL;
 }
 
+gfx::Size PanelBrowserWindowCocoa::GetNonClientAreaExtent() const {
+  NOTIMPLEMENTED();
+  return gfx::Size();
+}
+
+int PanelBrowserWindowCocoa::GetRestoredHeight() const {
+  NOTIMPLEMENTED();
+  return 0;
+}
+
+void PanelBrowserWindowCocoa::SetRestoredHeight(int height) {
+  NOTIMPLEMENTED();
+}
+
 NativePanelTesting* PanelBrowserWindowCocoa::GetNativePanelTesting() {
   return this;
 }