Adds routed interface support between RenderFrameHost and RenderFrame

content/common/associated_interface_registry_impl.cc

+// Copyright 2016 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/common/associated_interface_registry_impl.h"
+
+#include <utility>
+
+#include "base/logging.h"
+
+namespace content {
+
+AssociatedInterfaceRegistryImpl::AssociatedInterfaceRegistryImpl() {}
+
+AssociatedInterfaceRegistryImpl::~AssociatedInterfaceRegistryImpl() {}
+
+void AssociatedInterfaceRegistryImpl::BindRequest(
+    const std::string& interface_name,
+    mojo::ScopedInterfaceEndpointHandle handle) {
+  auto it = interfaces_.find(interface_name);
+  if (it == interfaces_.end())
+    return;
+  it->second.Run(std::move(handle));
+}
+
+void AssociatedInterfaceRegistryImpl::AddInterface(const std::string& name,
+                                                   const Binder& binder) {
+  auto result = interfaces_.insert(std::make_pair(name, binder));
+  DCHECK(result.second);
+}
+
+void AssociatedInterfaceRegistryImpl::RemoveInterface(const std::string& name) {
+  auto it = interfaces_.find(name);
+  DCHECK(it != interfaces_.end());
+  interfaces_.erase(it);
+}
+
+}  // namespace content