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

content/common/associated_interface_provider_impl.cc

Index: content/common/associated_interface_provider_impl.cc
diff --git a/content/common/associated_interface_provider_impl.cc b/content/common/associated_interface_provider_impl.cc
index c42ff3f15e090f5ca7a33a7ddeb66f68118a0a29..6c6c6fbd123e94991c1240abe319ae736f137816 100644
--- a/content/common/associated_interface_provider_impl.cc
+++ b/content/common/associated_interface_provider_impl.cc
@@ -6,11 +6,46 @@
 
 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(
@@ -25,4 +60,11 @@ 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