Convert string16 to base::string16 in content.

content/browser/renderer_host/java/java_bridge_dispatcher_host.cc

Index: content/browser/renderer_host/java/java_bridge_dispatcher_host.cc
diff --git a/content/browser/renderer_host/java/java_bridge_dispatcher_host.cc b/content/browser/renderer_host/java/java_bridge_dispatcher_host.cc
index 6d792e7dac7f81a64162acaaed93ec0a4bf96400..562517a114076f61d68922385a4ba5d9f560fda3 100644
--- a/content/browser/renderer_host/java/java_bridge_dispatcher_host.cc
+++ b/content/browser/renderer_host/java/java_bridge_dispatcher_host.cc
@@ -59,7 +59,7 @@ JavaBridgeDispatcherHost::~JavaBridgeDispatcherHost() {
       base::Bind(&CleanUpStubs, stubs_));
 }
 
-void JavaBridgeDispatcherHost::AddNamedObject(const string16& name,
+void JavaBridgeDispatcherHost::AddNamedObject(const base::string16& name,
                                               NPObject* object) {
   NPVariant_Param variant_param;
   CreateNPVariantParam(object, &variant_param);
@@ -68,7 +68,7 @@ void JavaBridgeDispatcherHost::AddNamedObject(const string16& name,
       render_view_host_->GetRoutingID(), name, variant_param));
 }
 
-void JavaBridgeDispatcherHost::RemoveNamedObject(const string16& name) {
+void JavaBridgeDispatcherHost::RemoveNamedObject(const base::string16& name) {
   // On receipt of this message, the JavaBridgeDispatcher will drop its
   // reference to the corresponding proxy object. When the last reference is
   // removed, the proxy object will delete its NPObjectProxy, which will cause