cc/blimp: Add a LayerTreeHostRemote implementation.

cc/test/fake_remote_compositor_bridge.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 "cc/test/fake_remote_compositor_bridge.h"
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "cc/blimp/remote_compositor_bridge_client.h"
+
+namespace cc {
+
+FakeRemoteCompositorBridge::FakeRemoteCompositorBridge(
+    scoped_refptr<base::SingleThreadTaskRunner> compositor_main_task_runner)
+    : RemoteCompositorBridge(std::move(compositor_main_task_runner)),
+      client_(nullptr),
+      weak_factory_(this) {}
+
+FakeRemoteCompositorBridge::~FakeRemoteCompositorBridge() {}
+
+void FakeRemoteCompositorBridge::BindToClient(
+    RemoteCompositorBridgeClient* client) {
+  DCHECK(!client_);
+  client_ = client;
+}
+
+void FakeRemoteCompositorBridge::ScheduleMainFrame() {
+  compositor_main_task_runner_->PostTask(
+      FROM_HERE, base::Bind(&FakeRemoteCompositorBridge::BeginMainFrame,
+                            weak_factory_.GetWeakPtr()));
+}
+
+void FakeRemoteCompositorBridge::BeginMainFrame() {
+  client_->BeginMainFrame();
+}
+
+}  // namespace cc