Hook up the Mac password bubble to the browser and add browser tests.

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

Index: chrome/browser/ui/cocoa/location_bar/manage_passwords_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/manage_passwords_decoration.h b/chrome/browser/ui/cocoa/location_bar/manage_passwords_decoration.h
index b63a822adb99b7c0200eb7bacc24c9cf6c6a755b..3534816a1678ffba112d65577801327f5ccccefa 100644
--- a/chrome/browser/ui/cocoa/location_bar/manage_passwords_decoration.h
+++ b/chrome/browser/ui/cocoa/location_bar/manage_passwords_decoration.h
@@ -13,6 +13,7 @@
 #include "chrome/browser/ui/passwords/manage_passwords_icon.h"
 
 class CommandUpdater;
+class LocationBarViewMac;
 class ManagePasswordsDecoration;
 
 // Cocoa implementation of ManagePasswordsIcon that delegates to
@@ -34,7 +35,8 @@ class ManagePasswordsIconCocoa : public ManagePasswordsIcon {
 // password management is available on the current page.
 class ManagePasswordsDecoration : public ImageDecoration {
  public:
-  explicit ManagePasswordsDecoration(CommandUpdater* command_updater);
+  explicit ManagePasswordsDecoration(CommandUpdater* command_updater,
+                                     LocationBarViewMac* location_bar);
   virtual ~ManagePasswordsDecoration();
 
   // Implement |LocationBarDecoration|
@@ -50,9 +52,18 @@ class ManagePasswordsDecoration : public ImageDecoration {
   ManagePasswordsIconCocoa* icon() { return icon_.get(); }
 
  private:
+  // Triggers a redraw after a state change.
+  void OnChange();
+
+  // Updates child view states.
+  void UpdateUIState();
+
   // Shows the manage passwords bubble.
   CommandUpdater* command_updater_;  // Weak, owned by Browser.
 
+  // Displays all the decorations.
+  LocationBarViewMac* location_bar_;  // Weak, owns us.
+
   // The platform-independent interface.
   scoped_ptr<ManagePasswordsIconCocoa> icon_;