Add gaia_id to ProfileInfoCache.

chrome/browser/ui/cocoa/profiles/avatar_menu_bubble_controller.mm

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/profiles/avatar_menu_bubble_controller.h"
 
 #include "base/mac/bundle_locations.h"
 #include "base/mac/sdk_forward_declarations.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 149 matching lines @@
     NSRect frame = [nameField frame];
     frame.size.width = kMaxItemTextWidth;
     [nameField setFrame:frame];
     if ([nameField respondsToSelector:@selector(setAllowsExpansionToolTips:)])
       [nameField setAllowsExpansionToolTips:YES];
   }
   *widthAdjust = std::max(*widthAdjust, delta.width);
 
   // Repeat for the sync state/email.
   NSTextField* emailField = itemView.emailField;
-  emailField.stringValue = base::SysUTF16ToNSString(item.sync_state);
+  emailField.stringValue = base::SysUTF16ToNSString(item.username);
   delta = [GTMUILocalizerAndLayoutTweaker sizeToFitView:emailField];
   if (NSWidth([emailField frame]) > kMaxItemTextWidth) {
     delta.width -= (NSWidth([emailField frame]) - kMaxItemTextWidth);
     NSRect frame = [emailField frame];
     frame.size.width = kMaxItemTextWidth;
     [emailField setFrame:frame];
   }
   *widthAdjust = std::max(*widthAdjust, delta.width);
 
   if (!item.active) {
@@ skipping 532 matching lines @@
 - (BOOL)accessibilityIsIgnored {
   return YES;
 }
 @end
 
 @implementation AccessibilityIgnoredTextFieldCell
 - (BOOL)accessibilityIsIgnored {
   return YES;
 }
 @end