Fix the problem that the minimized docked panel is not unsqueezed back to its original size when th…

chrome/browser/ui/panels/panel.cc

 // Copyright (c) 2012 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/panel.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 452 matching lines @@
   Activate();
   FlashFrame(false);
 }
 
 void Panel::OnMinimizeButtonClicked(panel::ClickModifier modifier) {
   if (collection_)
     collection_->OnMinimizeButtonClicked(this, modifier);
 }
 
 void Panel::OnRestoreButtonClicked(panel::ClickModifier modifier) {
-  if (collection_)
-    collection_->OnRestoreButtonClicked(this, modifier);
+  // Clicking the restore button has the same behavior as clicking the titlebar.
+  OnTitlebarClicked(modifier);
 }
 
 void Panel::OnWindowSizeAvailable() {
   ConfigureAutoResize(GetWebContents());
 }
 
 void Panel::OnNativePanelClosed() {
   // Ensure previously enqueued OnImageLoaded callbacks are ignored.
   image_loader_ptr_factory_.InvalidateWeakPtrs();
   registrar_.RemoveAll();
@@ skipping 402 matching lines @@
 
 // static
 void Panel::FormatTitleForDisplay(string16* title) {
   size_t current_index = 0;
   size_t match_index;
   while ((match_index = title->find(L'\n', current_index)) != string16::npos) {
     title->replace(match_index, 1, string16());
     current_index = match_index;
   }
 }