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

chrome/browser/ui/panels/panel_browser_window_gtk.cc

Index: chrome/browser/ui/panels/panel_browser_window_gtk.cc
===================================================================
--- chrome/browser/ui/panels/panel_browser_window_gtk.cc	(revision 94932)
+++ chrome/browser/ui/panels/panel_browser_window_gtk.cc	(working copy)
@@ -109,10 +109,20 @@
   ShowInactive();
 }
 
+gfx::Rect PanelBrowserWindowGtk::GetPanelRestoredBounds() const {
+  NOTIMPLEMENTED();
+  return bounds_;
+}
+
 gfx::Rect PanelBrowserWindowGtk::GetPanelBounds() const {
   return bounds_;
 }
 
+void PanelBrowserWindowGtk::SetPanelRestoredBounds(const gfx::Rect& bounds) {
+  NOTIMPLEMENTED();
+  SetBounds(bounds);
+}
+
 void PanelBrowserWindowGtk::SetPanelBounds(const gfx::Rect& bounds) {
   SetBounds(bounds);
 }
@@ -177,6 +187,11 @@
   DestroyBrowser();
 }
 
+gfx::Size PanelBrowserWindowGtk::GetNonClientAreaSize() const {
+  NOTIMPLEMENTED();
+  return gfx::Size();
+}
+
 NativePanelTesting* PanelBrowserWindowGtk::GetNativePanelTesting() {
   return this;
 }