Support asynchronous patching operations in the component updater.

chrome/browser/component_updater/test/component_patcher_unittest.h

Index: chrome/browser/component_updater/test/component_patcher_unittest.h
diff --git a/chrome/browser/component_updater/test/component_patcher_unittest.h b/chrome/browser/component_updater/test/component_patcher_unittest.h
index ee30308ae9c6198c0ab586117af39e4f0269ec74..a9ed21f75e5487f863468580e35fe4e5408b64b2 100644
--- a/chrome/browser/component_updater/test/component_patcher_unittest.h
+++ b/chrome/browser/component_updater/test/component_patcher_unittest.h
@@ -13,9 +13,12 @@
 #include "courgette/third_party/bsdiff.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-class MockComponentPatcher;
 class ReadOnlyTestInstaller;
 
+namespace component_updater {
+
+class MockComponentPatcher;
+
 const char binary_output_hash[] =
     "599aba6d15a7da390621ef1bacb66601ed6aed04dadc1f9b445dcfe31296142a";
 
@@ -39,4 +42,6 @@ class ComponentPatcherOperationTest : public testing::Test {
   scoped_ptr<ReadOnlyTestInstaller> installer_;
 };
 
+}  // namespace component_updater
+
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_TEST_COMPONENT_PATCHER_UNITTEST_H_