Introduce AutofillClient and use it to get rid of PasswordManager dependency.

chrome/browser/ui/tab_contents/tab_contents.cc

Index: chrome/browser/ui/tab_contents/tab_contents.cc
diff --git a/chrome/browser/ui/tab_contents/tab_contents.cc b/chrome/browser/ui/tab_contents/tab_contents.cc
index d1fdb6b5f1724039b0d8ca1dc28552c5de3447a6..4cfbdac3c73783075a9a0f93ec2b3a2f7cefdf05 100644
--- a/chrome/browser/ui/tab_contents/tab_contents.cc
+++ b/chrome/browser/ui/tab_contents/tab_contents.cc
@@ -11,6 +11,7 @@
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/automation/automation_tab_helper.h"
 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
+#include "chrome/browser/chrome_autofill_client.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
 #include "chrome/browser/extensions/tab_helper.h"
@@ -91,7 +92,8 @@ TabContents::TabContents(WebContents* contents)
   restore_tab_helper_.reset(new RestoreTabHelper(contents));
 
   autocomplete_history_manager_.reset(new AutocompleteHistoryManager(contents));
-  autofill_manager_ = new AutofillManager(this);
+  autofill_client_.reset(new ChromeAutofillClient(this));
+  autofill_manager_ = new AutofillManager(autofill_client_.get(), this);
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kExternalAutofillPopup)) {
     autofill_external_delegate_.reset(