ozone: Implement zero/one-copy texture for Ozone GBM.

ui/ozone/public/native_pixmap_manager.cc

 // Copyright 2015 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 "ui/ozone/public/native_pixmap_manager.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/ozone/platform_object.h"
@@ skipping 10 matching lines @@
   StubNativePixmapManager() {}
   ~StubNativePixmapManager() override {}
 
   void Initialize(const base::FileDescriptor& device_fd) override {}
 
   std::vector<Configuration> GetSupportedNativePixmapConfigurations()
       const override {
     return std::vector<Configuration>();
   }
 
+  scoped_refptr<NativePixmap> CreateFromFileDescriptor(
+      base::FileDescriptor handle,
+      gfx::Size size,
+      SurfaceFactoryOzone::BufferFormat format,
+      SurfaceFactoryOzone::BufferUsage usage) override {
+    return nullptr;
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(StubNativePixmapManager);
 };
 
 }  // namespace
 
 // static
 scoped_ptr<NativePixmapManager> NativePixmapManager::Create(
     const base::FileDescriptor& device_fd) {
   TRACE_EVENT1("ozone", "NativePixmapManager::Create", "platform",
                GetOzonePlatformName());
   scoped_ptr<NativePixmapManager> manager =
       PlatformObject<NativePixmapManager>::Create();
   manager->Initialize(device_fd);
   return manager.Pass();
 }
 
 NativePixmapManager::NativePixmapManager() {
 }
 
 NativePixmapManager::~NativePixmapManager() {
 }
 
 NativePixmapManager* CreateStubNativePixmapManager() {
   return new StubNativePixmapManager;
 }
 
 }  // namespace ui