Have a common implementation of cc::OutputSurface

cc/output_surface.cc

Index: cc/output_surface.cc
diff --git a/cc/output_surface.cc b/cc/output_surface.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ca4a96645fdfe96c083ec209a345a0ae050ed278
--- /dev/null
+++ b/cc/output_surface.cc
@@ -0,0 +1,53 @@
+// Copyright (c) 2013 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/output_surface.h"
+
+#include "base/logging.h"
+
+namespace cc {
+
+OutputSurface::OutputSurface(
+    scoped_ptr<WebKit::WebGraphicsContext3D> context3d)
+    : client_(NULL),
+      context3d_(context3d.Pass()) {
+}
+
+OutputSurface::OutputSurface(
+    scoped_ptr<cc::SoftwareOutputDevice> software_device)
+    : client_(NULL),
+      software_device_(software_device.Pass()) {
+}
+
+OutputSurface::OutputSurface(
+    scoped_ptr<WebKit::WebGraphicsContext3D> context3d,
+    scoped_ptr<cc::SoftwareOutputDevice> software_device)
+    : client_(NULL),
+      context3d_(context3d.Pass()),
+      software_device_(software_device.Pass()) {
+}
+
+bool OutputSurface::BindToClient(
+    cc::OutputSurfaceClient* client) {
+  DCHECK(client);
+  client_ = client;
+  if (!context3d_)
+    return true;
+  return context3d_->makeContextCurrent();
+}
+
+const struct OutputSurface::Capabilities&
+    OutputSurface::Capabilities() const {
+  return capabilities_;
+}
+
+WebKit::WebGraphicsContext3D* OutputSurface::Context3D() const {
+  return context3d_.get();
+}
+
+cc::SoftwareOutputDevice* OutputSurface::SoftwareDevice() const {
+  return software_device_.get();
+}
+
+}  // namespace cc