Always query for the latest RenderViewHost from WebContents before sending the NOtBlacklistedMessag…

chrome/browser/password_manager/password_form_manager.h

Index: chrome/browser/password_manager/password_form_manager.h
diff --git a/chrome/browser/password_manager/password_form_manager.h b/chrome/browser/password_manager/password_form_manager.h
index 8de86a10bff565810f00d40a63c1cc0604534949..f12141903496c7991ae53eb993e4903c7c767868 100644
--- a/chrome/browser/password_manager/password_form_manager.h
+++ b/chrome/browser/password_manager/password_form_manager.h
@@ -16,7 +16,7 @@
 #include "webkit/forms/password_form.h"
 
 namespace content {
-class RenderViewHost;
+class WebContents;
 }  // namespace content
 
 class PasswordManager;
@@ -35,7 +35,7 @@ class PasswordFormManager : public PasswordStoreConsumer {
   //           used to filter login results from database.
   PasswordFormManager(Profile* profile,
                       PasswordManager* password_manager,
-                      content::RenderViewHost* host,
+                      content::WebContents* web_contents,
                       const webkit::forms::PasswordForm& observed_form,
                       bool ssl_valid);
   virtual ~PasswordFormManager();
@@ -243,8 +243,9 @@ class PasswordFormManager : public PasswordStoreConsumer {
   // The profile from which we get the PasswordStore.
   Profile* profile_;
 
-  // Render view host for sending messages to the corresponding renderer.
-  content::RenderViewHost* host_;
+  // Web contents from which we get the RenderViewHost for sending messages to
+  // the corresponding renderer.
+  content::WebContents* web_contents_;
 
   // These three fields record the "ActionsTaken" by the browser and
   // the user with this form, and the result. They are combined and