Add support for SINGLETON_TAB disposition to BrowserNavigator.

Also makes Browser support browser::NavigatorDelegate.

BUG=none
TEST=BrowserNavigatorTest.Disposition_SingletonTab*

Review URL: http://codereview.chromium.org/3734003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@62653 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 11 insertions, 4 deletions

diff --git a/chrome/browser/browser.h b/chrome/browser/browser.h
index 0936bbb..f757e62 100644
--- a/chrome/browser/browser.h
+++ b/chrome/browser/browser.h
@@ -631,6 +631,16 @@ class Browser : public TabHandlerDelegate,
   // not null.
   int GetLastBlockedCommand(WindowOpenDisposition* disposition);
 
+  // Called by browser::Navigate() when a navigation has occurred in a tab in
+  // this Browser. Updates the UI for the start of this navigation.
+  void UpdateUIForNavigationInTab(TabContents* contents,
+                                  PageTransition::Type transition,
+                                  bool user_initiated);
+
+  // Called by browser::Navigate() to retrieve the home page if no URL is
+  // specified.
+  GURL GetHomePage() const;
+
   // Interface implementations ////////////////////////////////////////////////
 
   // Overridden from PageNavigator:
@@ -645,6 +655,7 @@ class Browser : public TabHandlerDelegate,
   virtual void TabRestoreServiceChanged(TabRestoreService* service);
   virtual void TabRestoreServiceDestroyed(TabRestoreService* service);
 
+
   // Overridden from TabHandlerDelegate:
   virtual Profile* GetProfile() const;
   virtual Browser* AsBrowser();
@@ -930,10 +941,6 @@ class Browser : public TabHandlerDelegate,
                       int index,
                       int add_types);
 
-  // Returns what the user's home page is, or the new tab page if the home page
-  // has not been set.
-  GURL GetHomePage() const;
-
   // Shows the Find Bar, optionally selecting the next entry that matches the
   // existing search string for that Tab. |forward_direction| controls the
   // search direction.