Adding URLResponse Disk Cache to mojo.

shell/android/android_handler.h

Index: shell/android/android_handler.h
diff --git a/shell/android/android_handler.h b/shell/android/android_handler.h
index f2779ffc60e67396906426e1d2e0dafc5cc388fd..af4ff454c71a14e5983c5fec82eff35fe0096bcc 100644
--- a/shell/android/android_handler.h
+++ b/shell/android/android_handler.h
@@ -7,10 +7,12 @@
 
 #include <jni.h>
 
+#include "base/single_thread_task_runner.h"
 #include "mojo/application/content_handler_factory.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/interface_factory_impl.h"
 #include "mojo/services/content_handler/public/interfaces/content_handler.mojom.h"
+#include "mojo/services/service_cache/public/interfaces/service_cache.mojom.h"
 #include "shell/android/intent_receiver_manager_factory.h"
 
 namespace base {
@@ -36,8 +38,15 @@ class AndroidHandler : public mojo::ApplicationDelegate,
       mojo::InterfaceRequest<mojo::Application> application_request,
       mojo::URLResponsePtr response) override;
 
+  void ExtractApplication(base::FilePath* extracted_dir,
+                          base::FilePath* cache_dir,
+                          mojo::URLResponsePtr response,
+                          const base::Closure& callback);
+
   mojo::ContentHandlerFactory content_handler_factory_;
   IntentReceiverManagerFactory intent_receiver_manager_factory_;
+  mojo::service_cache::ServiceCachePtr service_cache_;
+  scoped_refptr<base::SingleThreadTaskRunner> handler_task_runner_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(AndroidHandler);
 };