Clear cookies, local storage and databases when an extension gets uninstalled.

BUG=27938
TEST=Unittest in extension_service_unitttest.cc

Review URL: http://codereview.chromium.org/1095003
Patch from Mattias Nissler.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@42467 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 14 insertions, 0 deletions

diff --git a/chrome/browser/in_process_webkit/dom_storage_context.cc b/chrome/browser/in_process_webkit/dom_storage_context.cc
index 279ecb5..bea4611 100644
--- a/chrome/browser/in_process_webkit/dom_storage_context.cc
+++ b/chrome/browser/in_process_webkit/dom_storage_context.cc
@@ -190,6 +190,11 @@ void DOMStorageContext::DeleteLocalStorageFile(const FilePath& file_path) {
   file_util::Delete(file_path, false);
 }
 
+void DOMStorageContext::DeleteLocalStorageForOrigin(const string16& origin_id) {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::WEBKIT));
+  DeleteLocalStorageFile(GetLocalStorageFilePath(origin_id));
+}
+
 void DOMStorageContext::DeleteAllLocalStorageFiles() {
   DCHECK(ChromeThread::CurrentlyOn(ChromeThread::WEBKIT));
 
@@ -264,3 +269,12 @@ void DOMStorageContext::ClearLocalState(const FilePath& profile_path,
     }
   }
 }
+
+FilePath DOMStorageContext::GetLocalStorageFilePath(
+    const string16& origin_id) const {
+  FilePath storageDir = webkit_context_->data_path().Append(
+      DOMStorageContext::kLocalStorageDirectory);
+  FilePath::StringType id =
+      webkit_glue::WebStringToFilePathString(origin_id);
+  return storageDir.Append(id.append(kLocalStorageExtension));
+}