AppCaches which belong to hosted apps are not protected from deletion

chrome/test/testing_profile.cc

Index: chrome/test/testing_profile.cc
diff --git a/chrome/test/testing_profile.cc b/chrome/test/testing_profile.cc
index ec65b2bbc60764497921b1ffd9e06a6525d0f9fc..106254c30a17db6c9fa8c04282200f1e11c8416c 100644
--- a/chrome/test/testing_profile.cc
+++ b/chrome/test/testing_profile.cc
@@ -347,6 +347,11 @@ ExtensionService* TestingProfile::CreateExtensionService(
   return extension_service_.get();
 }
 
+void TestingProfile::SetAppCacheService(
+    ChromeAppCacheService* appcache_service) {
+  appcache_service_ = appcache_service;
+}
+
 FilePath TestingProfile::GetPath() {
   DCHECK(temp_dir_.IsValid());  // TODO(phajdan.jr): do it better.
   return temp_dir_.path();
@@ -392,7 +397,7 @@ Profile* TestingProfile::GetOriginalProfile() {
 }
 
 ChromeAppCacheService* TestingProfile::GetAppCacheService() {
-  return NULL;
+  return appcache_service_.get();
 }
 
 webkit_database::DatabaseTracker* TestingProfile::GetDatabaseTracker() {