[Sync] Rename csync namespace to syncer

sync/util/session_utils_android.cc

 // Copyright (c) 2012 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 <jni.h>
 #include <sys/system_properties.h>
 
 #include "sync/util/session_utils_android.h"
 
 #include "base/android/jni_android.h"
@@ skipping 33 matching lines @@
   jmethodID j_get_content_resolver_method = GetMethodID(
       env, clazz,"getContentResolver", "()Landroid/content/ContentResolver;");
   jobject content_resolver = env->CallObjectMethod(
       GetApplicationContext(), j_get_content_resolver_method);
   CheckException(env);
   return ScopedJavaLocalRef<jobject>(env, content_resolver);
 }
 
 }
 
-namespace csync {
+namespace syncer {
 namespace internal {
 
 std::string GetAndroidId() {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jstring> android_id =
       GetAndroidIdJNI(env, GetContentResolver(env));
   return ConvertJavaStringToUTF8(android_id);
 }
 
 std::string GetModel() {
   char model[PROP_VALUE_MAX];
   __system_property_get("ro.product.model", model);
   return model;
 }
 
 bool IsTabletUi() {
   NOTIMPLEMENTED() << "TODO(yfriedman): Upstream this";
   return true;
 }
 
 }  // namespace internal
-}  // namespace csync
+}  // namespace syncer