Add ManagePasswordsDecoration and unit tests.

chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h

Index: chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h
diff --git a/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h b/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h
index 45cc29b1af752b8211a17c2193cfb35f90b0bc46..e19c35526ea9df2e58dd57112ad540020d8c5add 100644
--- a/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h
+++ b/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h
@@ -28,6 +28,7 @@ class GeneratedCreditCardDecoration;
 class KeywordHintDecoration;
 class LocationBarDecoration;
 class LocationIconDecoration;
+class ManagePasswordsDecoration;
 class MicSearchDecoration;
 class OriginChipDecoration;
 class PageActionDecoration;
@@ -64,7 +65,7 @@ class LocationBarViewMac : public LocationBar,
   virtual void FocusLocation(bool select_all) OVERRIDE;
   virtual void FocusSearch() OVERRIDE;
   virtual void UpdateContentSettingsIcons() OVERRIDE;
-  virtual void UpdateManagePasswordsIconAndBubble() OVERRIDE {};
+  virtual void UpdateManagePasswordsIconAndBubble() OVERRIDE;
   virtual void UpdatePageActions() OVERRIDE;
   virtual void InvalidatePageActions() OVERRIDE;
   virtual void UpdateOpenPDFInReaderPrompt() OVERRIDE;
@@ -111,6 +112,10 @@ class LocationBarViewMac : public LocationBar,
   // aim at.
   NSPoint GetTranslateBubblePoint() const;
 
+  // Get the point in window coordinates in the lock icon for the Manage
+  // Passwords bubble to aim at.
+  NSPoint GetManagePasswordsBubblePoint() const;

[rohitrao (ping after 24h), 2014/07/31 12:35:19]

Is this function actually called anywhere?  I would leave it out if it's never
used.

[dconnelly, 2014/08/01 09:11:46]

It's used, but not in this CL. I'll move it to a follow-up CL.

+
   // Get the point in window coordinates in the security icon at which the page
   // info bubble aims.
   NSPoint GetPageInfoBubblePoint() const;
@@ -266,6 +271,9 @@ class LocationBarViewMac : public LocationBar,
   // The left-hand-side origin chip.
   scoped_ptr<OriginChipDecoration> origin_chip_decoration_;
 
+  // The right-hand-side button to manage passwords associated with a page.
+  scoped_ptr<ManagePasswordsDecoration> manage_passwords_decoration_;
+
   Browser* browser_;
 
   // Used to register for notifications received by NotificationObserver.