[Mac] Add system share menu

chrome/browser/app_controller_mac.mm

Index: chrome/browser/app_controller_mac.mm
diff --git a/chrome/browser/app_controller_mac.mm b/chrome/browser/app_controller_mac.mm
index 8f55b28453e1ae9a30e928c078bda6926ba0b2d0..aa4a5ed294eddb3c94b8d045f2e295a5fc26032f 100644
--- a/chrome/browser/app_controller_mac.mm
+++ b/chrome/browser/app_controller_mac.mm
@@ -71,6 +71,7 @@
 #import "chrome/browser/ui/cocoa/history_menu_bridge.h"
 #include "chrome/browser/ui/cocoa/last_active_browser_cocoa.h"
 #import "chrome/browser/ui/cocoa/profiles/profile_menu_controller.h"
+#import "chrome/browser/ui/cocoa/share_menu_controller.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/startup/startup_browser_creator.h"
 #include "chrome/browser/ui/startup/startup_browser_creator_impl.h"
@@ -349,6 +350,9 @@ class AppControllerProfileObserver : public ProfileAttributesStorage::Observer {
   // Initialize the Profile menu.
   [self initProfileMenu];
 
+  // Initialize the share menu.
+  [self initShareMenu];
+
   // If the OSX version supports this method, the system will automatically
   // hide the item if there's no touch bar. However, for unsupported versions,
   // we'll have to manually remove the item from the menu.
@@ -1222,6 +1226,15 @@ class AppControllerProfileObserver : public ProfileAttributesStorage::Observer {
       [[ProfileMenuController alloc] initWithMainMenuItem:profileMenu]);
 }
 
+- (void)initShareMenu {
+  shareMenuController_.reset([[ShareMenuController alloc] init]);
+  NSMenu* mainMenu = [NSApp mainMenu];
+  NSMenu* fileMenu = [[mainMenu itemWithTag:IDC_FILE_MENU] submenu];
+  NSMenuItem* shareMenuItem =
+      [fileMenu itemWithTitle:l10n_util::GetNSString(IDS_SHARE_MAC)];

[Robert Sesek, 2017/06/30 21:09:34]

Maybe DCHECK(shareMenuItem) ?

+  [[shareMenuItem submenu] setDelegate:shareMenuController_.get()];
+}
+
 // The Confirm to Quit preference is atypical in that the preference lives in
 // the app menu right above the Quit menu item. This method will refresh the
 // display of that item depending on the preference state.