Remove Client relationship between mojo.Shell/mojo.Application

shell/android/background_application_loader.h

Index: shell/android/background_application_loader.h
diff --git a/shell/android/background_application_loader.h b/shell/android/background_application_loader.h
index 26280e84bacc2c1beee87cb4992d7804030fdc71..a4c07b84df2e2c14073437a774d712c423197607 100644
--- a/shell/android/background_application_loader.h
+++ b/shell/android/background_application_loader.h
@@ -26,7 +26,7 @@ class MOJO_APPLICATION_MANAGER_EXPORT BackgroundApplicationLoader
   // ApplicationLoader overrides:
   void Load(ApplicationManager* manager,
             const GURL& url,
-            ShellPtr shell,
+            InterfaceRequest<Application> application_request,
             LoadCallback callback) override;
   void OnApplicationError(ApplicationManager* manager,
                           const GURL& url) override;
@@ -39,9 +39,10 @@ class MOJO_APPLICATION_MANAGER_EXPORT BackgroundApplicationLoader
   // to |background_loader_| to do the actual loading.
   // TODO: having this code take a |manager| is fragile (as ApplicationManager
   // isn't thread safe).
-  void LoadOnBackgroundThread(ApplicationManager* manager,
-                              const GURL& url,
-                              ShellPtr shell);
+  void LoadOnBackgroundThread(
+      ApplicationManager* manager,
+      const GURL& url,
+      InterfaceRequest<Application> application_request);
   void OnApplicationErrorOnBackgroundThread(ApplicationManager* manager,
                                             const GURL& url);
   bool quit_on_shutdown_;