mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

content/browser/storage_partition_impl.h

Index: content/browser/storage_partition_impl.h
diff --git a/content/browser/storage_partition_impl.h b/content/browser/storage_partition_impl.h
index d4bb8092d9be4d2c747dd5147e21e9c154a3c696..d552c5c96d2b6649556a4941cea93051a6ffe8d4 100644
--- a/content/browser/storage_partition_impl.h
+++ b/content/browser/storage_partition_impl.h
@@ -132,14 +132,18 @@ class StoragePartitionImpl : public StoragePartition,
                            RemoveLocalStorageForLastWeek);
 
   // The |partition_path| is the absolute path to the root of this
-  // StoragePartition's on-disk storage.
+  // StoragePartition's on-disk storage. |local_partition_path| is the relative
+  // path to said root minus the local profile directory for cases where we
+  // can't access anything outside of the local profile.
   //
   // If |in_memory| is true, the |partition_path| is (ab)used as a way of
   // distinguishing different in-memory partitions, but nothing is persisted
   // on to disk.
-  static StoragePartitionImpl* Create(BrowserContext* context,
-                                      bool in_memory,
-                                      const base::FilePath& profile_path);
+  static StoragePartitionImpl* Create(
+      BrowserContext* context,
+      bool in_memory,
+      const base::FilePath& profile_path,
+      const base::FilePath& relative_partition_path);
 
   CONTENT_EXPORT StoragePartitionImpl(
       BrowserContext* browser_context,