Further refine the pinned tab navigation algorithm.

chrome/browser/browser.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_BROWSER_H_
 #define CHROME_BROWSER_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/scoped_ptr.h"
 #include "base/task.h"
 #include "chrome/browser/command_updater.h"
 #include "chrome/browser/pref_member.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
 #include "chrome/browser/shell_dialogs.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/tab_contents/page_navigator.h"
 #include "chrome/browser/tab_contents/tab_contents_delegate.h"
 #include "chrome/browser/toolbar_model.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/notification_registrar.h"
+#include "chrome/common/page_transition_types.h"
 #include "chrome/common/page_zoom.h"
 #include "gfx/rect.h"
 
 class BrowserWindow;
 class DebuggerWindow;
 class Extension;
 class ExtensionShelfModel;
 class FindBarController;
 class GoButton;
 class LocationBar;
@@ skipping 564 matching lines @@
   virtual void ExecuteCommand(int id);
 
   // Helper function to run unload listeners on a TabContents.
   static bool RunUnloadEventsHelper(TabContents* contents);
 
   // TabRestoreService::Observer ///////////////////////////////////////////////
   virtual void TabRestoreServiceChanged(TabRestoreService* service);
   virtual void TabRestoreServiceDestroyed(TabRestoreService* service);
 
  private:
+  FRIEND_TEST_ALL_PREFIXES(BrowserTest, PinnedTabDisposition);
   FRIEND_TEST_ALL_PREFIXES(BrowserTest, NoTabsInPopups);
 
   // Used to describe why a tab is being detached. This is used by
   // TabDetachedAtImpl.
   enum DetachType {
     // Result of TabDetachedAt.
     DETACH_TYPE_DETACH,
 
     // Result of TabReplacedAt.
     DETACH_TYPE_REPLACE,
@@ skipping 285 matching lines @@
   // policy of the tab strip model and notifies the window.
   void UseVerticalTabsChanged();
 
   // Implementation of SupportsWindowFeature and CanSupportWindowFeature. If
   // |check_fullscreen| is true, the set of features reflect the actual state of
   // the browser, otherwise the set of features reflect the possible state of
   // the browser.
   bool SupportsWindowFeatureImpl(WindowFeature feature,
                                  bool check_fullscreen) const;
 
+  // Calculate a new window open disposition for a navigation. The return
+  // value will usually be |original_disposition|, but for some pinned tab cases
+  // we change it to NEW_FOREGROUND_TAB so that the pinned tab feels more
+  // permanent.
+  static WindowOpenDisposition AdjustWindowOpenDispositionForTab(
+      bool is_pinned,
+      const GURL& url,
+      const GURL& referrer,
+      PageTransition::Type transition,
+      WindowOpenDisposition original_disposition);
+
   // Data members /////////////////////////////////////////////////////////////
 
   NotificationRegistrar registrar_;
 
   // This Browser's type.
   const Type type_;
 
   // This Browser's profile.
   Profile* const profile_;
 
@@ skipping 112 matching lines @@
   mutable BooleanPrefMember use_vertical_tabs_;
 
   // The profile's tab restore service. The service is owned by the profile,
   // and we install ourselves as an observer.
   TabRestoreService* tab_restore_service_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_H_