[Blimp client] Move client code into blimp::client namespace

blimp/client/session/blimp_client_session_android.h

 // Copyright 2015 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.
 
 #ifndef BLIMP_CLIENT_SESSION_BLIMP_CLIENT_SESSION_ANDROID_H_
 #define BLIMP_CLIENT_SESSION_BLIMP_CLIENT_SESSION_ANDROID_H_
 
 #include "base/android/jni_android.h"
 #include "base/macros.h"
 #include "blimp/client/session/blimp_client_session.h"
 
 namespace blimp {
+namespace client {
 
 class BlimpClientSessionAndroid : public BlimpClientSession {
  public:
   static bool RegisterJni(JNIEnv* env);
   static BlimpClientSessionAndroid* FromJavaObject(JNIEnv* env, jobject jobj);
 
   BlimpClientSessionAndroid(JNIEnv* env,
                             const base::android::JavaParamRef<jobject>& jobj);
 
   // Methods called from Java via JNI.
   void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& jobj);
 
  private:
   ~BlimpClientSessionAndroid() override;
 
   // Reference to the Java object which owns this class.
   base::android::ScopedJavaGlobalRef<jobject> java_obj_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpClientSessionAndroid);
 };
 
+}  // namespace client
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_SESSION_BLIMP_CLIENT_SESSION_ANDROID_H_