content: Use base::MessageLoop.

content/browser/geolocation/device_data_provider.h

Index: content/browser/geolocation/device_data_provider.h
diff --git a/content/browser/geolocation/device_data_provider.h b/content/browser/geolocation/device_data_provider.h
index 4918e303d4c6ec5703e2890e66b58b51b60c8f01..431d7066c5cbcef84a9eefdbcd271fd967453b5f 100644
--- a/content/browser/geolocation/device_data_provider.h
+++ b/content/browser/geolocation/device_data_provider.h
@@ -92,7 +92,7 @@ template<typename DataType>
 class DeviceDataProviderImplBase : public DeviceDataProviderImplBaseHack {
  public:
   DeviceDataProviderImplBase()
-      : container_(NULL), client_loop_(MessageLoop::current()) {
+      : container_(NULL), client_loop_(base::MessageLoop::current()) {
     DCHECK(client_loop_);
   }
 
@@ -138,12 +138,10 @@ class DeviceDataProviderImplBase : public DeviceDataProviderImplBaseHack {
   }
 
   bool CalledOnClientThread() const {
-    return MessageLoop::current() == this->client_loop_;
+    return base::MessageLoop::current() == this->client_loop_;
   }
 
-  MessageLoop* client_loop() const {
-    return client_loop_;
-  }
+  base::MessageLoop* client_loop() const { return client_loop_; }
 
  private:
   void NotifyListenersInClientLoop() {
@@ -162,7 +160,7 @@ class DeviceDataProviderImplBase : public DeviceDataProviderImplBaseHack {
 
   // Reference to the client's message loop, all callbacks and access to
   // the listeners_ member should happen in this context.
-  MessageLoop* client_loop_;
+  base::MessageLoop* client_loop_;
 
   ListenersSet listeners_;