Add infrastructure for Chrome Actions

chrome/browser/ui/views/toolbar/chevron_menu_button.cc

Index: chrome/browser/ui/views/toolbar/chevron_menu_button.cc
diff --git a/chrome/browser/ui/views/toolbar/chevron_menu_button.cc b/chrome/browser/ui/views/toolbar/chevron_menu_button.cc
index 207bcf6b7a24f9a70391bba6ee8d8203265e45de..33dd33499a0ae82243c39a993361a9fc468d8be7 100644
--- a/chrome/browser/ui/views/toolbar/chevron_menu_button.cc
+++ b/chrome/browser/ui/views/toolbar/chevron_menu_button.cc
@@ -33,31 +33,32 @@ namespace {
 // is read from file system in another thread.
 // The IconUpdater will update the menu item view's icon when the browser
 // action's icon has been updated.
-class IconUpdater : public BrowserActionView::IconObserver {
+class IconUpdater : public ExtensionActionIconFactory::Observer {
  public:
-  IconUpdater(views::MenuItemView* menu_item_view, BrowserActionView* view)
+  IconUpdater(views::MenuItemView* menu_item_view,
+              ExtensionActionViewController* view_controller)
       : menu_item_view_(menu_item_view),
-        view_(view) {
+        view_controller_(view_controller) {
     DCHECK(menu_item_view);
-    DCHECK(view);
-    view->set_icon_observer(this);
+    DCHECK(view_controller);
+    view_controller->set_icon_observer(this);
   }
   virtual ~IconUpdater() {
-    view_->set_icon_observer(NULL);
+    view_controller_->set_icon_observer(NULL);
   }
 
   // BrowserActionView::IconObserver:
-  virtual void OnIconUpdated(const gfx::ImageSkia& icon) override {
-    menu_item_view_->SetIcon(icon);
+  virtual void OnIconUpdated() override {
+    menu_item_view_->SetIcon(view_controller_->GetIconWithBadge());
   }
 
  private:
   // The menu item view whose icon might be updated.
   views::MenuItemView* menu_item_view_;
 
-  // The view to be observed. When its icon changes, update the corresponding
-  // menu item view's icon.
-  BrowserActionView* view_;
+  // The view controller to be observed. When its icon changes, update the
+  // corresponding menu item view's icon.
+  ExtensionActionViewController* view_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(IconUpdater);
 };
@@ -159,18 +160,20 @@ ChevronMenuButton::MenuController::MenuController(
        i < browser_actions_container_->num_browser_actions(); ++i) {
     BrowserActionView* view =
         browser_actions_container_->GetBrowserActionViewAt(i);
+    ExtensionActionViewController* view_controller =
+        view->GetExtensionActionViewController();
     views::MenuItemView* menu_item = menu_->AppendMenuItemWithIcon(
         command_id,
-        base::UTF8ToUTF16(view->extension()->name()),
-        view->GetIconWithBadge());
+        base::UTF8ToUTF16(view_controller->extension()->name()),
+        view_controller->GetIconWithBadge());
 
     // Set the tooltip for this item.
-    base::string16 tooltip = base::UTF8ToUTF16(
-        view->extension_action()->GetTitle(
-            view->view_controller()->GetCurrentTabId()));
-    menu_->SetTooltip(tooltip, command_id);
+    menu_->SetTooltip(
+        view_controller->GetTooltip(view->GetCurrentTabId()),
+        command_id);
 
-    icon_updaters_.push_back(new IconUpdater(menu_item, view));
+    icon_updaters_.push_back(
+        new IconUpdater(menu_item, view->GetExtensionActionViewController()));
 
     ++command_id;
   }
@@ -211,7 +214,7 @@ void ChevronMenuButton::MenuController::CloseMenu() {
 bool ChevronMenuButton::MenuController::IsCommandEnabled(int id) const {
   BrowserActionView* view =
       browser_actions_container_->GetBrowserActionViewAt(start_index_ + id - 1);
-  return view->IsEnabled(view->view_controller()->GetCurrentTabId());
+  return view->view_controller()->IsEnabled(view->GetCurrentTabId());
 }
 
 void ChevronMenuButton::MenuController::ExecuteCommand(int id) {
@@ -226,13 +229,15 @@ bool ChevronMenuButton::MenuController::ShowContextMenu(
     ui::MenuSourceType source_type) {
   BrowserActionView* view = browser_actions_container_->GetBrowserActionViewAt(
       start_index_ + id - 1);
-  if (!view->extension()->ShowConfigureContextMenus())
+  ExtensionActionViewController* view_controller =
+      view->GetExtensionActionViewController();
+  if (!view_controller->extension()->ShowConfigureContextMenus())
     return false;
 
   scoped_refptr<ExtensionContextMenuModel> context_menu_contents =
-      new ExtensionContextMenuModel(view->extension(),
-                                    view->view_controller()->browser(),
-                                    view->view_controller());
+      new ExtensionContextMenuModel(view_controller->extension(),
+                                    view->browser(),
+                                    view_controller);
   views::MenuRunner context_menu_runner(context_menu_contents.get(),
                                         views::MenuRunner::HAS_MNEMONICS |
                                             views::MenuRunner::IS_NESTED |
@@ -341,8 +346,7 @@ void ChevronMenuButton::MenuController::WriteDragData(
     views::MenuItemView* sender, OSExchangeData* data) {
   size_t drag_index = IndexForId(sender->GetCommand());
   const extensions::Extension* extension =
-      browser_actions_container_->GetBrowserActionViewAt(drag_index)->
-          extension();
+      browser_actions_container_->GetExtensionAt(drag_index);
   BrowserActionDragData drag_data(extension->id(), drag_index);
   drag_data.Write(browser_actions_container_->profile(), data);
 }