Credential Manager: Stub out the browser-side IPC handlers.

chrome/browser/password_manager/chrome_password_manager_client.h

Index: chrome/browser/password_manager/chrome_password_manager_client.h
diff --git a/chrome/browser/password_manager/chrome_password_manager_client.h b/chrome/browser/password_manager/chrome_password_manager_client.h
index 4fbed6456314c0040b13d594b7530235b68bdb79..c4fa486ce4b6a7e4d61a459674241df4e8286bf2 100644
--- a/chrome/browser/password_manager/chrome_password_manager_client.h
+++ b/chrome/browser/password_manager/chrome_password_manager_client.h
@@ -25,6 +25,7 @@ class WebContents;
 }
 
 namespace password_manager {
+struct CredentialInfo;
 class PasswordGenerationManager;
 class PasswordManager;
 }
@@ -65,6 +66,16 @@ class ChromePasswordManagerClient
   virtual void OnLogRouterAvailabilityChanged(bool router_can_be_used) OVERRIDE;
   virtual void LogSavePasswordProgress(const std::string& text) OVERRIDE;
   virtual bool IsLoggingActive() const OVERRIDE;
+  virtual void OnNotifyFailedSignIn(
+      int request_id,
+      const password_manager::CredentialInfo&) OVERRIDE;
+  virtual void OnNotifySignedIn(
+      int request_id,
+      const password_manager::CredentialInfo&) OVERRIDE;
+  virtual void OnNotifySignedOut(int request_id) OVERRIDE;
+  virtual void OnRequestCredential(int request_id,
+                                   bool zero_click_only,
+                                   std::vector<GURL> federations) OVERRIDE;
 
   // Hides any visible generation UI.
   void HidePasswordGenerationPopup();