Remove some content_child dependency from content_common

content/renderer/pepper/ppb_broker_impl.cc

Index: content/renderer/pepper/ppb_broker_impl.cc
diff --git a/content/renderer/pepper/ppb_broker_impl.cc b/content/renderer/pepper/ppb_broker_impl.cc
index 882c5db74aa3e7a3159e78a8d9bc9041f06812d4..bec93e0f2aa19bb555018fee6a7bddf57097da05 100644
--- a/content/renderer/pepper/ppb_broker_impl.cc
+++ b/content/renderer/pepper/ppb_broker_impl.cc
@@ -33,7 +33,7 @@ PPB_Broker_Impl::PPB_Broker_Impl(PP_Instance instance)
       connect_callback_(),
       pipe_handle_(PlatformFileToInt(base::kInvalidPlatformFileValue)),
       routing_id_(RenderThreadImpl::current()->GenerateRoutingID()) {
-  ChildThread::current()->AddRoute(routing_id_, this);
+  ChildThread::current()->GetRouter()->AddRoute(routing_id_, this);
 }
 
 PPB_Broker_Impl::~PPB_Broker_Impl() {
@@ -44,7 +44,7 @@ PPB_Broker_Impl::~PPB_Broker_Impl() {
 
   // The plugin owns the handle.
   pipe_handle_ = PlatformFileToInt(base::kInvalidPlatformFileValue);
-  ChildThread::current()->RemoveRoute(routing_id_);
+  ChildThread::current()->GetRouter()->RemoveRoute(routing_id_);
 }
 
 PPB_Broker_API* PPB_Broker_Impl::AsPPB_Broker_API() {