Change webkit/{fileapi,quota} code to use TaskRunner.

webkit/quota/mock_quota_manager.cc

Index: webkit/quota/mock_quota_manager.cc
diff --git a/webkit/quota/mock_quota_manager.cc b/webkit/quota/mock_quota_manager.cc
index bac3fcc02a56b034b44c0f7d39707d1dc5a6fe54..82e542a39e1ea656a410dfff579c2f074ceedd9f 100644
--- a/webkit/quota/mock_quota_manager.cc
+++ b/webkit/quota/mock_quota_manager.cc
@@ -10,11 +10,8 @@
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/single_thread_task_runner.h"
 #include "googleurl/src/gurl.h"
-#include "webkit/quota/quota_client.h"
-#include "webkit/quota/quota_manager.h"
-#include "webkit/quota/quota_task.h"
-#include "webkit/quota/quota_types.h"
 
 namespace quota {
 
@@ -24,7 +21,7 @@ class MockQuotaManager::GetModifiedSinceTask : public QuotaThreadTask {
                        const std::set<GURL>& origins,
                        StorageType type,
                        const GetOriginsCallback& callback)
-      : QuotaThreadTask(manager, manager->io_thread_),
+      : QuotaThreadTask(manager, manager->io_thread_.get()),
         origins_(origins),
         type_(type),
         callback_(callback) {}
@@ -88,8 +85,8 @@ MockQuotaManager::OriginInfo::~OriginInfo() {}
 MockQuotaManager::MockQuotaManager(
     bool is_incognito,
     const FilePath& profile_path,
-    base::MessageLoopProxy* io_thread,
-    base::MessageLoopProxy* db_thread,
+    base::SingleThreadTaskRunner* io_thread,
+    base::SingleThreadTaskRunner* db_thread,
     SpecialStoragePolicy* special_storage_policy)
     : QuotaManager(is_incognito, profile_path, io_thread, db_thread,
         special_storage_policy) {