Makes pinned tab restore on startup if you haven't enabled session

chrome/browser/browser_init.h

 // Copyright (c) 2006-2008 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_INIT_H_
 #define CHROME_BROWSER_BROWSER_INIT_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "googleurl/src/gurl.h"
+#include "testing/gtest/include/gtest/gtest_prod.h"
 
 class Browser;
 class CommandLine;
 class GURL;
 class PrefService;
 class Profile;
 class TabContents;
 
 // class containing helpers for BrowserMain to spin up a new instance and
 // initialize the profile.
@@ skipping 54 matching lines @@
                      const std::wstring& cur_dir, bool process_startup,
                      int* return_code);
 
   // LaunchWithProfile ---------------------------------------------------------
   //
   // Assists launching the application and appending the initial tabs for a
   // browser window.
 
   class LaunchWithProfile {
    public:
+    // Used by OpenTabsInBrowser.
+    struct Tab {
+      Tab() : is_app(false), is_pinned(true) {}
+
+      // The url to load.
+      GURL url;
+
+      // If true, the tab corresponds to an app an |app_id| gives the id of the
+      // app.
+      bool is_app;
+
+      // True if the is tab pinned.
+      bool is_pinned;
+
+      // Id of the app.
+      std::string app_id;
+    };
+
     // There are two ctors. The first one implies a NULL browser_init object
     // and thus no access to distribution-specific first-run behaviors. The
     // second one is always called when the browser starts even if it is not
     // the first run.
     LaunchWithProfile(const std::wstring& cur_dir,
                       const CommandLine& command_line);
     LaunchWithProfile(const std::wstring& cur_dir,
                       const CommandLine& command_line,
                       BrowserInit* browser_init);
     ~LaunchWithProfile() { }
 
     // Creates the necessary windows for startup. Returns true on success,
     // false on failure. process_startup is true if Chrome is just
     // starting up. If process_startup is false, it indicates Chrome was
     // already running and the user wants to launch another instance.
     bool Launch(Profile* profile, bool process_startup);
 
-    // Opens the list of urls. If browser is non-null and a tabbed browser, the
-    // URLs are opened in it. Otherwise a new tabbed browser is created and the
-    // URLs are added to it. The browser the tabs are added to is returned,
-    // which is either |browser| or the newly created browser.
+    // Convenience for OpenTabsInBrowser that converts |urls| into a set of
+    // Tabs.
     Browser* OpenURLsInBrowser(Browser* browser,
                                bool process_startup,
                                const std::vector<GURL>& urls);
 
+    // Creates a tab for each of the Tabs in |tabs|. If browser is non-null
+    // and a tabbed browser, the tabs are added to it. Otherwise a new tabbed
+    // browser is created and the tabs are added to it. The browser the tabs
+    // are added to is returned, which is either |browser| or the newly created
+    // browser.
+    Browser* OpenTabsInBrowser(Browser* browser,
+                               bool process_startup,
+                               const std::vector<Tab>& tabs);
+
    private:
+    FRIEND_TEST(BrowserTest, RestorePinnedTabs);
+
     // If the process was launched with the web application command line flags,
     // e.g. --app=http://www.google.com/ or --app_id=... return true.
     // In this case |app_url| or |app_id| are populated if they're non-null.
     bool IsAppLaunch(std::string* app_url, std::string* app_id);
 
     // If IsAppLaunch is true, tries to open an application window.
     // If the app is specified to start in a tab, or IsAppLaunch is false,
     // returns false to specify default processing.
     bool OpenApplicationWindow(Profile* profile);
 
     // Does the following:
     // . If the user's startup pref is to restore the last session (or the
     //   command line flag is present to force using last session), it is
     //   restored, and true is returned.
-    // . If the user's startup pref is to launch a specific set of URLs, and
-    //   urls_to_open is empty, the user specified set of URLs is openned.
+    // . Attempts to restore any pinned tabs from last run of chrome and:
+    //   . If urls_to_open is non-empty, they are opened and true is returned.
+    //   . If the user's startup pref is to launch a specific set of URLs they
+    //     are opened.
     //
-    // Otherwise false is returned.
-    bool OpenStartupURLs(bool is_process_startup,
-                         const std::vector<GURL>& urls_to_open);
+    // Otherwise false is returned, which indicates the caller must create a
+    // new browser.
+    bool OpenStartupURLs(const std::vector<GURL>& urls_to_open);
 
     // If the last session didn't exit cleanly and tab is a web contents tab,
     // an infobar is added allowing the user to restore the last session.
     void AddCrashedInfoBarIfNecessary(TabContents* tab);
 
     // Returns the list of URLs to open from the command line. The returned
     // vector is empty if the user didn't specify any URLs on the command line.
     std::vector<GURL> GetURLsFromCommandLine(Profile* profile);
 
     // Adds additional startup URLs to the specified vector.
@@ skipping 18 matching lines @@
 
   // Additional tabs to open during first run.
   std::vector<GURL> first_run_tabs_;
   // Additional bookmarks to set during first run.
   std::vector<GURL> default_bookmarks_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserInit);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_INIT_H_