PageActions can now specify multiple icons and switch between them...

chrome/browser/tab_contents/tab_contents.cc

 // Copyright (c) 2009 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.
 
 #include "chrome/browser/tab_contents/tab_contents.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/file_version_info.h"
 #include "base/process_util.h"
@@ skipping 551 matching lines @@
 
 void TabContents::SetIsCrashed(bool state) {
   if (state == is_crashed_)
     return;
 
   is_crashed_ = state;
   NotifyNavigationStateChanged(INVALIDATE_TAB);
 }
 
 void TabContents::SetPageActionEnabled(const PageAction* page_action,
-                                       bool enable) {
+                                       bool enable,
+                                       const std::string& title,
+                                       int icon_id) {
   DCHECK(page_action);
 
-  if (enable == IsPageActionEnabled(page_action))
-    return;  // Don't need to do anything more.
+  if (!enable &&
+      enabled_page_actions_.end() == enabled_page_actions_.find(page_action)) {
+    return;  // Don't need to disable twice.
+  }
 
-  if (enable)
-    enabled_page_actions_.insert(page_action);
-  else
+  if (enable) {
+    enabled_page_actions_[page_action].reset(
+        new PageActionState(title, icon_id));
+  } else {
     enabled_page_actions_.erase(page_action);
+  }
 }
 
-bool TabContents::IsPageActionEnabled(const PageAction* page_action) {
-  DCHECK(page_action);
-  return enabled_page_actions_.end() != enabled_page_actions_.find(page_action);
+const PageActionState* TabContents::GetPageActionState(
+    const PageAction* page_action) {
+  if (enabled_page_actions_.end() == enabled_page_actions_.find(page_action))
+    return NULL;
+
+  return enabled_page_actions_[page_action].get();
 }
 
-
 void TabContents::NotifyNavigationStateChanged(unsigned changed_flags) {
   if (delegate_)
     delegate_->NavigationStateChanged(this, changed_flags);
 }
 
 void TabContents::DidBecomeSelected() {
   controller_.SetActive(true);
 
   if (render_widget_host_view())
     render_widget_host_view()->DidBecomeSelected();
@@ skipping 1741 matching lines @@
       NavigationController::LoadCommittedDetails& committed_details =
           *(Details<NavigationController::LoadCommittedDetails>(details).ptr());
       ExpireInfoBars(committed_details);
       break;
     }
 
     default:
       NOTREACHED();
   }
 }