Componentize component_updater: Replace content::BrowserThread usage with task runners

chrome/browser/component_updater/component_patcher.cc

Index: chrome/browser/component_updater/component_patcher.cc
diff --git a/chrome/browser/component_updater/component_patcher.cc b/chrome/browser/component_updater/component_patcher.cc
index dbf04a1c0da5b2218bbeadace735d6ac8a2c6c88..223bca817f4be9097c6fd7f7818e92d76bf45cdd 100644
--- a/chrome/browser/component_updater/component_patcher.cc
+++ b/chrome/browser/component_updater/component_patcher.cc
@@ -8,14 +8,15 @@
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
+#include "base/location.h"
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/component_updater/component_patcher_operation.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
-#include "content/public/browser/browser_thread.h"
 
 namespace component_updater {