Moves device_orientation to content namespace

content/browser/device_orientation/orientation.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 "content/browser/device_orientation/orientation.h"
 
 #include <cmath>
 
 #include "content/common/device_orientation_messages.h"
 
-namespace device_orientation {
+namespace content {
 
 Orientation::Orientation()
     : can_provide_alpha_(false),
       can_provide_beta_(false),
       can_provide_gamma_(false),
       can_provide_absolute_(false) {
 }
 
 Orientation::~Orientation() {
 }
@@ skipping 38 matching lines @@
     bool can_provide_element2, double element1, double element2) {
   const double kThreshold = 0.1;
 
   if (can_provide_element1 != can_provide_element2)
     return true;
   if (can_provide_element1 && std::fabs(element1 - element2) >= kThreshold)
     return true;
   return false;
 }
 
-}  // namespace device_orientation
+}  // namespace content