Move component updater artifacts into component_updater namespace.

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..ac30f35a95f42d50567d46e9b4e739a92fe4f454 100644
--- a/chrome/browser/component_updater/test/component_patcher_unittest.h
+++ b/chrome/browser/component_updater/test/component_patcher_unittest.h
@@ -13,6 +13,8 @@
 #include "courgette/third_party/bsdiff.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+namespace component_updater {
+
 class MockComponentPatcher;
 class ReadOnlyTestInstaller;
 
@@ -24,8 +26,6 @@ const char binary_output_hash[] =
 const int kCourgetteErrorOffset = 300;
 const int kBsdiffErrorOffset = 600;
 
-base::FilePath test_file(const char* file);
-
 class ComponentPatcherOperationTest : public testing::Test {
  public:
   explicit ComponentPatcherOperationTest();
@@ -39,4 +39,6 @@ class ComponentPatcherOperationTest : public testing::Test {
   scoped_ptr<ReadOnlyTestInstaller> installer_;
 };
 
+}  // namespace component_updater
+
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_TEST_COMPONENT_PATCHER_UNITTEST_H_