Move the unit tests files side-by-side with the corresponding .cc files.

components/update_client/update_checker_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/version.h"
 #include "components/update_client/crx_update_item.h"
-#include "components/update_client/test/test_configurator.h"
-#include "components/update_client/test/url_request_post_interceptor.h"
+#include "components/update_client/test_configurator.h"
 #include "components/update_client/update_checker.h"
+#include "components/update_client/url_request_post_interceptor.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 using std::string;
 
 namespace update_client {
 
 namespace {
 
@@ skipping 198 matching lines @@
   EXPECT_EQ(1, post_interceptor_->GetCount())
       << post_interceptor_->GetRequestsAsString();
 
   EXPECT_EQ(config_->UpdateUrl().front(), original_url_);
   EXPECT_EQ(403, error_);
   EXPECT_STREQ("network error", error_message_.c_str());
   EXPECT_EQ(0ul, results_.list.size());
 }
 
 }  // namespace update_client