Provide a PlatformView implementation for Linux (#2796)

sky/shell/platform/linux/platform_view_linux.cc

@@ -2,13 +2,36 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "sky/shell/platform_view.h"
+#include "sky/shell/platform/linux/platform_view_linux.h"
 
 namespace sky {
 namespace shell {
 
-PlatformView* PlatformView::Create(const Config& config) {
-  return new PlatformView(config);
+PlatformView* PlatformView::Create(const Config& config,
+                                   SurfaceConfig surface_config) {
+  return new PlatformViewLinux(config, surface_config);
+}
+
+PlatformViewLinux::PlatformViewLinux(const Config& config,
+                                    SurfaceConfig surface_config)
+    : PlatformView(config, surface_config), weak_factory_(this) {}
+
+PlatformViewLinux::~PlatformViewLinux() {}
+
+base::WeakPtr<sky::shell::PlatformView> PlatformViewLinux::GetWeakViewPtr() {
+  return weak_factory_.GetWeakPtr();
+}
+
+uint64_t PlatformViewLinux::DefaultFramebuffer() const {
+  return 0;
+}
+
+bool PlatformViewLinux::ContextMakeCurrent() {
+  return false;
+}
+
+bool PlatformViewLinux::SwapBuffers() {
+  return false;
 }
 
 }  // namespace shell

sky/shell/platform/linux/platform_view_linux.h

+// 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.
+
+#ifndef SKY_SHELL_PLATFORM_LINUX_PLATFORM_VIEW_LINUX_H_
+#define SKY_SHELL_PLATFORM_LINUX_PLATFORM_VIEW_LINUX_H_
+
+#include "sky/shell/platform_view.h"
+
+namespace sky {
+namespace shell {
+
+class PlatformViewLinux : public PlatformView {
+ public:
+  explicit PlatformViewLinux(const Config& config, SurfaceConfig surface_config);
+
+  ~PlatformViewLinux() override;
+
+  // sky::shell::PlatformView override
+  base::WeakPtr<sky::shell::PlatformView> GetWeakViewPtr() override;
+
+  // sky::shell::PlatformView override
+  uint64_t DefaultFramebuffer() const override;
+
+  // sky::shell::PlatformView override
+  bool ContextMakeCurrent() override;
+
+  // sky::shell::PlatformView override
+  bool SwapBuffers() override;
+
+ private:
+  base::WeakPtrFactory<PlatformViewLinux> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(PlatformViewLinux);
+};
+
+}  // namespace shell
+}  // namespace sky
+
+#endif  // SKY_SHELL_PLATFORM_LINUX_PLATFORM_VIEW_LINUX_H_