Fix header guard and namespace in android_webview

android_webview/browser/aw_contents_client_bridge_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 "android_webview/browser/aw_contents_client_bridge.h"
 
 #include <memory>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 140 matching lines @@
       cert_request_info_.get(),
       base::WrapUnique(new TestClientCertificateDelegate(this)));
   int requestId = Java_MockAwContentsClientBridge_getRequestId(env_, jbridge_);
   bridge_->ProvideClientCertificateResponse(env_, jbridge_, requestId, nullptr,
                                             nullptr);
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(nullptr, selected_cert_);
   EXPECT_EQ(1, cert_selected_callbacks_);
 }
 
-}  // android_webview
+}  // namespace android_webview