Delete temporary application file as soon as the application is launched.

shell/app_child_process.cc

Index: shell/app_child_process.cc
diff --git a/shell/app_child_process.cc b/shell/app_child_process.cc
index 3a00843a7aa53f08a708c5a2ec9ac54146b8d2cd..f788d1deb632e28e459192316716658f349d36fa 100644
--- a/shell/app_child_process.cc
+++ b/shell/app_child_process.cc
@@ -184,13 +184,14 @@ class AppChildControllerImpl : public InterfaceImpl<AppChildController> {
 
   // |AppChildController| methods:
   void StartApp(const String& app_path,
+                bool clean_app_path,
                 ScopedMessagePipeHandle service) override {
     DVLOG(2) << "AppChildControllerImpl::StartApp(" << app_path << ", ...)";
     DCHECK(thread_checker_.CalledOnValidThread());
 
     unblocker_.Unblock(base::Bind(&AppChildControllerImpl::StartAppOnMainThread,
                                   base::FilePath::FromUTF8Unsafe(app_path),
-                                  base::Passed(&service)));
+                                  clean_app_path, base::Passed(&service)));
   }
 
  private:
@@ -206,6 +207,7 @@ class AppChildControllerImpl : public InterfaceImpl<AppChildController> {
   }
 
   static void StartAppOnMainThread(const base::FilePath& app_path,
+                                   bool clean_app_path,
                                    ScopedMessagePipeHandle service) {
     // TODO(vtl): This is copied from in_process_dynamic_service_runner.cc.
     DVLOG(2) << "Loading/running Mojo app from " << app_path.value()
@@ -213,7 +215,8 @@ class AppChildControllerImpl : public InterfaceImpl<AppChildController> {
 
     // We intentionally don't unload the native library as its lifetime is the
     // same as that of the process.
-    DynamicServiceRunner::LoadAndRunService(app_path, service.Pass());
+    DynamicServiceRunner::LoadAndRunService(app_path, clean_app_path,
+                                            service.Pass());
   }
 
   base::ThreadChecker thread_checker_;