AppCaches which belong to hosted apps are not protected from deletion

chrome/test/testing_profile.h

Index: chrome/test/testing_profile.h
diff --git a/chrome/test/testing_profile.h b/chrome/test/testing_profile.h
index 8a32c9c66f621665efbb04dee3bde46493e390c1..d65739e037b261561d97b946b45e71d8d1d88aa6 100644
--- a/chrome/test/testing_profile.h
+++ b/chrome/test/testing_profile.h
@@ -11,6 +11,7 @@
 #include "base/scoped_temp_dir.h"
 #include "base/timer.h"
 #include "chrome/browser/profiles/profile.h"
+#include "content/browser/appcache/chrome_appcache_service.h"
 
 namespace content {
 class ResourceContextGetter;
@@ -129,6 +130,10 @@ class TestingProfile : public Profile {
                                            const FilePath& install_directory,
                                            bool autoupdate_enabled);
 
+  // Normally a TestingProfile doesn't have a ChromeAppCacheService, but this
+  // function can be used for setting it if needed.
+  void SetAppCacheService(ChromeAppCacheService* appcache_service);
+
   TestingPrefService* GetTestingPrefService();
 
   virtual TestingProfile* AsTestingProfile();
@@ -393,6 +398,8 @@ class TestingProfile : public Profile {
   // death. Defaults to the Singleton implementation but overridable for
   // testing.
   ProfileDependencyManager* profile_dependency_manager_;
+
+  scoped_refptr<ChromeAppCacheService> appcache_service_;
 };
 
 // A profile that derives from another profile.  This does not actually