[Sync] [Mac] Implement one-click signin bubble for OS X

chrome/browser/ui/cocoa/browser_window_cocoa.mm

Index: chrome/browser/ui/cocoa/browser_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_cocoa.mm b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
index c48942b9e3aedc8aa47c6b6261a46a2c56c7247f..d8371141394f22a87ae71701376c0672124509ba 100644
--- a/chrome/browser/ui/cocoa/browser_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
@@ -47,6 +47,10 @@
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "ui/gfx/rect.h"
 
+#if defined(ENABLE_ONE_CLICK_SIGNIN)
+#import "chrome/browser/ui/cocoa/one_click_signin_bubble_controller.h"
+#endif
+
 using content::SSLStatus;
 using content::WebContents;
 
@@ -450,8 +454,16 @@ void BrowserWindowCocoa::ShowChromeToMobileBubble() {
 }
 
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
-void BrowserWindowCocoa::ShowOneClickSigninBubble() {
-  NOTIMPLEMENTED();
+
+void BrowserWindowCocoa::ShowOneClickSigninBubble(
+      const base::Closure& learn_more_callback,
+      const base::Closure& advanced_callback) {
+  OneClickSigninBubbleController* bubble_controller =
+      [[OneClickSigninBubbleController alloc]
+        initWithBrowserWindowController:cocoa_controller()
+                      learnMoreCallback:learn_more_callback
+                       advancedCallback:advanced_callback];
+  [bubble_controller showWindow:nil];
 }
 #endif