Fullscreen JS API implementation.

chrome/browser/ui/browser.h

Index: chrome/browser/ui/browser.h
diff --git a/chrome/browser/ui/browser.h b/chrome/browser/ui/browser.h
index b4c98c9173edebbce7419eb1e347c97530873d0b..62d5d4df703c3de77edffef6030e0237f82ee8bf 100644
--- a/chrome/browser/ui/browser.h
+++ b/chrome/browser/ui/browser.h
@@ -880,6 +880,8 @@ class Browser : public TabHandlerDelegate,
   virtual void DidNavigateToPendingEntry(TabContents* tab) OVERRIDE;
   virtual content::JavaScriptDialogCreator*
   GetJavaScriptDialogCreator() OVERRIDE;
+  virtual void ToggleFullscreenModeForRVH(TabContents* tab,

[Peter Kasting, 2011/08/15 22:42:54]

Nit: Since this function takes a TabContents*, it should probably be named
"...ForTab".

[koz (OOO until 15th September), 2011/08/16 07:06:55]

Done.

+      bool enter_fullscreen) OVERRIDE;
 
   // Overridden from TabContentsWrapperDelegate:
   virtual void OnDidGetApplicationInfo(TabContentsWrapper* source,
@@ -1126,6 +1128,14 @@ class Browser : public TabHandlerDelegate,
   // BrowserWindow if necessary.
   void UpdateBookmarkBarState(BookmarkBarStateChangeReason reason);
 
+  // Make the current tab exit fullscreen mode. If the browser was fullscreen
+  // because of that (as opposed to the user clicking the fullscreen button)
+  // then take the browser out of fullscreen mode as well.
+  void ExitTabbedFullscreenMode();

[Peter Kasting, 2011/08/15 22:42:54]

Nit: I think adding "IfNecessary" to both these function names (and modifying
the comments similarly) might improve things, as both of them are happy to no-op
if we're not in fullscreen mode.

[koz (OOO until 15th September), 2011/08/16 07:06:55]

Done.

+
+  // Notifies the tab that it has been forced out of fullscreen mode.
+  void NotifyTabOfFullscreenExit();
+
   // Data members /////////////////////////////////////////////////////////////
 
   NotificationRegistrar registrar_;
@@ -1265,6 +1275,13 @@ class Browser : public TabHandlerDelegate,
 
   BookmarkBar::State bookmark_bar_state_;
 
+  // Whether the current tab should be notified if the browser exits
+  // fullscreen.
+  bool notify_tab_of_fullscreen_exit_;
+
+  // True if the current tab is in fullscreen mode.
+  bool tab_caused_fullscreen_;
+
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };