Implement initial chrome.browserAction.openPopup API.

chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc

Index: chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc
diff --git a/chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc b/chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc
index 34f300ac07e04720260efa3d538186ec84698fb7..34e75297fc9e843c3d30628d89033b6fcfdb48cd 100644
--- a/chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc
+++ b/chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc
@@ -254,12 +254,17 @@ class BrowserActionButton : public content::NotificationObserver,
  private:
   // Activate the browser action.
   void Activate(GtkWidget* widget) {
+    Activate(widget, true);
+  }
+
+  void Activate(GtkWidget* widget, bool allow_grant) {
     ExtensionToolbarModel* model = toolbar_->model();
     const Extension* extension = extension_;
     Browser* browser = toolbar_->browser();
     GURL popup_url;
 
-    switch (model->ExecuteBrowserAction(extension, browser, &popup_url)) {
+    switch (model->ExecuteBrowserAction(
+        extension, browser, &popup_url, allow_grant)) {
       case ExtensionToolbarModel::ACTION_NONE:
         break;
       case ExtensionToolbarModel::ACTION_SHOW_POPUP:
@@ -669,14 +674,17 @@ void BrowserActionsToolbarGtk::CreateButtonForExtension(
   UpdateVisibility();
 }
 
-GtkWidget* BrowserActionsToolbarGtk::GetBrowserActionWidget(
+BrowserActionButton* BrowserActionsToolbarGtk::GetBrowserActionButton(
     const Extension* extension) {
   ExtensionButtonMap::iterator it = extension_button_map_.find(
       extension->id());
-  if (it == extension_button_map_.end())
-    return NULL;
+  return it == extension_button_map_.end() ? NULL : it->second.get();
+}
 
-  return it->second.get()->widget();
+GtkWidget* BrowserActionsToolbarGtk::GetBrowserActionWidget(
+    const Extension* extension) {
+  BrowserActionButton* button = GetBrowserActionButton(extension);
+  return button == NULL ? NULL : button->widget();
 }
 
 void BrowserActionsToolbarGtk::RemoveButtonForExtension(
@@ -768,6 +776,24 @@ void BrowserActionsToolbarGtk::BrowserActionMoved(const Extension* extension,
   gtk_box_reorder_child(GTK_BOX(button_hbox_.get()), button_widget, index);
 }
 
+void BrowserActionsToolbarGtk::BrowserActionShowPopup(
+    const Extension* extension) {
+  // Do not override other popups and only show in active window.
+  if (ExtensionPopupGtk::get_current_extension_popup() ||
+      !browser_->window()->IsActive()) {
+    return;
+  }
+
+  BrowserActionButton* button = GetBrowserActionButton(extension);
+  if (button == NULL || button->widget() == NULL)
+    return;
+
+  GtkWidget* anchor = button->widget();
+  if (!gtk_widget_get_visible(anchor))
+    anchor = button->toolbar_->chevron();
+  button->Activate(anchor, false);
+}
+
 void BrowserActionsToolbarGtk::ModelLoaded() {
   SetContainerWidth();
 }
@@ -1077,13 +1103,13 @@ gboolean BrowserActionsToolbarGtk::OnOverflowMenuButtonPress(
     item_index = model_->IncognitoIndexToOriginal(item_index);
 
   const Extension* extension = model_->toolbar_items()[item_index].get();
-  ExtensionButtonMap::iterator it = extension_button_map_.find(extension->id());
-  if (it == extension_button_map_.end()) {
+  BrowserActionButton* button = GetBrowserActionButton(extension);
+  if (button == NULL) {
     NOTREACHED();
     return FALSE;
   }
 
-  MenuGtk* menu = it->second.get()->GetContextMenu();
+  MenuGtk* menu = button->GetContextMenu();
   if (!menu)
     return FALSE;