[Autofill] Migrate ChromePasswordManagerClient<-->PasswordGenerationAgent IPCs to mojo.

content/common/associated_interface_provider_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_provider_impl.h"
 
 namespace content {
 
+AssociatedInterfaceProviderImpl::LocalProvider::LocalProvider(
+    mojom::AssociatedInterfaceProviderAssociatedPtr* proxy)
+    : route_provider_binding_(this),
+      associated_interface_provider_binding_(this) {
+  route_provider_binding_.Bind(mojo::GetProxy(&route_provider_ptr_));
+  route_provider_ptr_->GetRoute(
+      0, mojo::GetProxy(proxy, route_provider_ptr_.associated_group()));
+}
+AssociatedInterfaceProviderImpl::LocalProvider::~LocalProvider() {}
+
+void AssociatedInterfaceProviderImpl::LocalProvider::SetBinderForName(
+    const std::string& name,
+    const base::Callback<void(mojo::ScopedInterfaceEndpointHandle)>& binder) {
+  binders_[name] = binder;
+}
+
+void AssociatedInterfaceProviderImpl::LocalProvider::GetRoute(
+    int32_t routing_id,
+    mojom::AssociatedInterfaceProviderAssociatedRequest request) {
+  DCHECK(request.is_pending());
+  associated_interface_provider_binding_.Bind(std::move(request));
+}
+
+void AssociatedInterfaceProviderImpl::LocalProvider::GetAssociatedInterface(
+    const std::string& name,
+    mojom::AssociatedInterfaceAssociatedRequest request) {
+  auto it = binders_.find(name);
+  if (it != binders_.end())
+    it->second.Run(request.PassHandle());
+}
+
 AssociatedInterfaceProviderImpl::AssociatedInterfaceProviderImpl(
     mojom::AssociatedInterfaceProviderAssociatedPtr proxy)
     : proxy_(std::move(proxy)) {
+  DCHECK(proxy_.is_bound());
 }
 
+AssociatedInterfaceProviderImpl::AssociatedInterfaceProviderImpl()
+    : local_provider_(new LocalProvider(&proxy_)) {}
+
 AssociatedInterfaceProviderImpl::~AssociatedInterfaceProviderImpl() {}
 
 void AssociatedInterfaceProviderImpl::GetInterface(
     const std::string& name,
     mojo::ScopedInterfaceEndpointHandle handle) {
   mojom::AssociatedInterfaceAssociatedRequest request;
   request.Bind(std::move(handle));
   return proxy_->GetAssociatedInterface(name, std::move(request));
 }
 
 mojo::AssociatedGroup* AssociatedInterfaceProviderImpl::GetAssociatedGroup() {
   return proxy_.associated_group();
 }
 
+void AssociatedInterfaceProviderImpl::OverrideBinderForTesting(
+    const std::string& name,
+    const base::Callback<void(mojo::ScopedInterfaceEndpointHandle)>& binder) {
+  DCHECK(local_provider_);
+  local_provider_->SetBinderForName(name, binder);
+}
+
 }  // namespace content