Add a menu to the Action Box Button.

chrome/browser/ui/cocoa/location_bar/plus_decoration.mm

Index: chrome/browser/ui/cocoa/location_bar/plus_decoration.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/plus_decoration.mm b/chrome/browser/ui/cocoa/location_bar/plus_decoration.mm
index 67822e5266f9563158b23091ccc86d16e8dc58fd..8c5a8118a454eeba891239436610ab15c6592fc3 100644
--- a/chrome/browser/ui/cocoa/location_bar/plus_decoration.mm
+++ b/chrome/browser/ui/cocoa/location_bar/plus_decoration.mm
@@ -6,13 +6,29 @@
 
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/command_updater.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_commands.h"
 #import "chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h"
+#import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h"
+#import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
+#import "chrome/browser/ui/cocoa/menu_controller.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util_mac.h"
+#include "ui/base/models/simple_menu_model.h"
+#include "ui/base/resource/resource_bundle.h"
 
-PlusDecoration::PlusDecoration(CommandUpdater* command_updater)
-    : command_updater_(command_updater) {
+namespace {
+// The offset to apply to the menu so that it clears the bottom border of the
+// omnibox.
+const CGFloat kOmniboxYOffset = 7.0;
+}  // namespace
+
+PlusDecoration::PlusDecoration(LocationBarViewMac* owner,
+    CommandUpdater* command_updater, Browser* browser)
+    : owner_(owner),
+      command_updater_(command_updater),
+      browser_(browser) {
   SetVisible(true);
 
   const int image_id = IDR_ACTION_BOX_BUTTON;
@@ -29,8 +45,45 @@ bool PlusDecoration::AcceptsMousePress() {
 }
 
 bool PlusDecoration::OnMousePressed(NSRect frame) {
-  // TODO(macourteau): trigger the menu when caitkp@ and beaudoin@'s CL is
-  // ready.
+  ui::SimpleMenuModel menu_model(NULL);
+
+  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
+
+  // TODO(beaudoin): Use a platform-independent menu model once the Windows
+  // patch introducing it lands. See: http://codereview.chromium.org/10533086/
+  menu_model.InsertItemWithStringIdAt(0, IDC_CHROME_TO_MOBILE_PAGE,
+                                      IDS_CHROME_TO_MOBILE);
+  menu_model.SetIcon(0, *rb.GetImageSkiaNamed(IDR_MOBILE));
+  menu_model.InsertItemWithStringIdAt(1, IDC_BOOKMARK_PAGE,
+                                      IDS_BOOKMARK_STAR);
+  menu_model.SetIcon(1, *rb.GetImageSkiaNamed(IDR_STAR));
+
+  // Controller for the menu attached to the plus decoration.
+  scoped_nsobject<MenuController> menu_controller(
+      [[MenuController alloc] initWithModel:&menu_model
+                     useWithPopUpButtonCell:YES]);
+
+  NSMenu* menu = [menu_controller menu];
+
+  // Align the menu popup to that its top-right corner matches the bottom-right
+  // corner of the omnibox.
+  AutocompleteTextField* field = owner_->GetAutocompleteTextField();
+
+  NSRect popUpFrame = [field bounds];
+  popUpFrame.origin.x = NSMaxX([field bounds]) - menu.size.width;
+  popUpFrame.size.width = menu.size.width;
+
+  // Attach the menu to a slightly higher box, to clear the omnibox border.
+  popUpFrame.size.height += kOmniboxYOffset;
+
+  scoped_nsobject<NSPopUpButtonCell> pop_up_cell(
+      [[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:YES]);
+  DCHECK(pop_up_cell.get());
+
+  [pop_up_cell setMenu:menu];
+  [pop_up_cell selectItem:nil];
+  [pop_up_cell attachPopUpWithFrame:popUpFrame inView:field];
+  [pop_up_cell performClickWithFrame:popUpFrame inView:field];
   return true;
 }