Added notion of currently active app / browser

chrome/browser/ui/views/ash/launcher/launcher_updater.h

Index: chrome/browser/ui/views/ash/launcher/launcher_updater.h
diff --git a/chrome/browser/ui/views/ash/launcher/launcher_updater.h b/chrome/browser/ui/views/ash/launcher/launcher_updater.h
index 72e1c23efb93b91356aee06efd11a980b41554f2..bb1287a940a58949c7f6827e6aca014aba11f5bc 100644
--- a/chrome/browser/ui/views/ash/launcher/launcher_updater.h
+++ b/chrome/browser/ui/views/ash/launcher/launcher_updater.h
@@ -35,6 +35,26 @@ class Window;
 class LauncherUpdater : public TabStripModelObserver,
                         public LauncherFaviconLoader::Delegate {
  public:
+  // This API is to be used as part of testing only.
+  class TestApi {
+   public:
+    explicit TestApi(LauncherUpdater* launcher_updater)
+        : launcher_updater_(launcher_updater) {}
+    virtual ~TestApi() {}
+
+    // Returns the launcher id for |tab| if it's an app otherwise returns the
+    // id for the browser itself.
+    ash::LauncherID GetLauncherID(TabContentsWrapper* tab) {
+      return launcher_updater_->GetLauncherID(tab);
+    }
+
+    // Returns the launcher id for the browser window.
+    ash::LauncherID item_id() const { return launcher_updater_->item_id_; }
+
+   private:
+    LauncherUpdater* launcher_updater_;
+  };
+
   enum Type {
     TYPE_APP,
     TYPE_PANEL,
@@ -68,6 +88,12 @@ class LauncherUpdater : public TabStripModelObserver,
   }
 
   // TabStripModelObserver overrides:
+  void ActivationChanged(TabContentsWrapper* tab, bool active);
+  // Call to indicate that the window the tabcontents are in has changed its
+  // activation state.
+  void BrowserActivationStateChanged();
+
+  // TabStripModel overrides:
   virtual void ActiveTabChanged(TabContentsWrapper* old_contents,
                                 TabContentsWrapper* new_contents,
                                 int index,
@@ -130,6 +156,13 @@ class LauncherUpdater : public TabStripModelObserver,
   // |tab| is set to the TabContentsWrapper for the app tab.
   bool ContainsID(ash::LauncherID id, TabContentsWrapper** tab);
 
+  // Returns the launcher id for |tab| if it's an app otherwise returns the
+  // id for the browser itself.
+  ash::LauncherID GetLauncherID(TabContentsWrapper* tab);
+
+  // Retrieves the running status of |tab|.
+  ash::LauncherItemStatus GetStatusForTab(TabContentsWrapper* tab);
+
   ash::LauncherModel* launcher_model();
 
   // Browser window we're in.