mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

content/browser/storage_partition_impl_map.cc

Index: content/browser/storage_partition_impl_map.cc
diff --git a/content/browser/storage_partition_impl_map.cc b/content/browser/storage_partition_impl_map.cc
index 7a0dd9c94c0ca5c84eaa93f5e762d8a86b136573..7fefc640801a5902c859c70eb86af6391d627b69 100644
--- a/content/browser/storage_partition_impl_map.cc
+++ b/content/browser/storage_partition_impl_map.cc
@@ -396,12 +396,12 @@ StoragePartitionImpl* StoragePartitionImplMap::Get(
   if (it != partitions_.end())
     return it->second;
 
-  base::FilePath partition_path =
-      browser_context_->GetPath().Append(
-          GetStoragePartitionPath(partition_domain, partition_name));
-  StoragePartitionImpl* partition =
-      StoragePartitionImpl::Create(browser_context_, in_memory,
-                                   partition_path);
+  base::FilePath profile_path = browser_context_->GetPath();
+  base::FilePath relative_partition_path =
+      GetStoragePartitionPath(partition_domain, partition_name);
+
+  StoragePartitionImpl* partition = StoragePartitionImpl::Create(
+      browser_context_, in_memory, profile_path, relative_partition_path);
   partitions_[partition_config] = partition;
 
   partition->GetQuotaManager()->SetTemporaryStorageEvictionPolicy(