Support asynchronous patching operations in the component updater.

chrome/browser/component_updater/test/component_patcher_mock.h

Index: chrome/browser/component_updater/test/component_patcher_mock.h
diff --git a/chrome/browser/component_updater/test/component_patcher_mock.h b/chrome/browser/component_updater/test/component_patcher_mock.h
index 1843b295dfe63958e45763865533c0202d84266b..48c790146f8e60f100aa7d76ae527e294a8badd6 100644
--- a/chrome/browser/component_updater/test/component_patcher_mock.h
+++ b/chrome/browser/component_updater/test/component_patcher_mock.h
@@ -13,6 +13,8 @@ namespace base {
 class FilePath;
 }
 
+namespace component_updater {
+
 class MockComponentPatcher : public ComponentPatcher {
  public:
   MockComponentPatcher() {}
@@ -25,4 +27,6 @@ class MockComponentPatcher : public ComponentPatcher {
   DISALLOW_COPY_AND_ASSIGN(MockComponentPatcher);
 };
 
+}  // namespace component_updater
+
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_TEST_COMPONENT_PATCHER_MOCK_H_