Implement GetOrigins for indexeddb quota

content/browser/in_process_webkit/indexed_db_quota_client.cc

Index: content/browser/in_process_webkit/indexed_db_quota_client.cc
diff --git a/content/browser/in_process_webkit/indexed_db_quota_client.cc b/content/browser/in_process_webkit/indexed_db_quota_client.cc
index 08e3478fd78f9a23d351b69a1c3a805b3b004652..4c3aaac2312071e613e8a82fe403add1dd012af4 100644
--- a/content/browser/in_process_webkit/indexed_db_quota_client.cc
+++ b/content/browser/in_process_webkit/indexed_db_quota_client.cc
@@ -66,7 +66,15 @@ class IndexedDBQuotaClient::GetOriginsTaskBase : public HelperTask {
   virtual bool ShouldAddOrigin(const GURL& origin) = 0;
 
   virtual void RunOnTargetThread() OVERRIDE {
-    // TODO(dgrogan): Implement.
+    std::vector<string16> origin_identifiers;
+    indexed_db_context_->GetAllOriginIdentifiers(&origin_identifiers);
+    for (std::vector<string16>::const_iterator iter =
+             origin_identifiers.begin();
+         iter != origin_identifiers.end(); ++iter) {
+      GURL origin = DatabaseUtil::GetOriginFromIdentifier(*iter);
+      if (ShouldAddOrigin(origin))
+        origins_.insert(origin);
+    }
   }
 
   std::set<GURL> origins_;