Adds associated interface support to IPC::Channel

ipc/ipc_channel_common.cc

Index: ipc/ipc_channel_common.cc
diff --git a/ipc/ipc_channel_common.cc b/ipc/ipc_channel_common.cc
index 3002b6659853987aa1cc1e2702d949918d60324c..df823b14750996dcd9775a88ee1b517f84b4ef13 100644
--- a/ipc/ipc_channel_common.cc
+++ b/ipc/ipc_channel_common.cc
@@ -84,6 +84,26 @@ void Channel::GenerateMojoChannelHandlePair(
 Channel::~Channel() {
 }
 
+mojo::AssociatedGroup* Channel::GetAssociatedGroup() {
+  NOTREACHED() <<
+      "Associated interfaces are not supported on this Channel implementation.";
+  return nullptr;
+}
+
+void Channel::AddGenericAssociatedInterface(
+    const std::string& name,
+    const GenericAssociatedInterfaceFactory& factory) {
+  NOTREACHED() <<
+      "Associated interfaces are not supported on this Channel implementation.";
+}
+
+void Channel::GetGenericRemoteAssociatedInterface(
+    const std::string& name,
+    mojo::ScopedInterfaceEndpointHandle handle) {
+  NOTREACHED() <<
+      "Associated interfaces are not supported on this Channel implementation.";
+}
+
 bool Channel::IsSendThreadSafe() const {
   return false;
 }