ozone/platform/wayland: Add some tests

ui/ozone/platform/wayland/wayland_surface_factory.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 "ui/ozone/platform/wayland/wayland_surface_factory.h"
 
 #include <fcntl.h>
 #include <sys/mman.h>
 
 #include "base/memory/shared_memory.h"
@@ skipping 29 matching lines @@
   gfx::Size size_;
   skia::RefPtr<SkSurface> sk_surface_;
   wl::Object<wl_shm_pool> pool_;
   wl::Object<wl_buffer> buffer_;
 
   DISALLOW_COPY_AND_ASSIGN(WaylandCanvasSurface);
 };
 
 WaylandCanvasSurface::WaylandCanvasSurface(WaylandDisplay* display,
                                            WaylandWindow* window)
-    : display_(display), window_(window) {}
+    : display_(display), window_(window), size_(window->GetBounds().size()) {}
 
 WaylandCanvasSurface::~WaylandCanvasSurface() {}
 
 skia::RefPtr<SkSurface> WaylandCanvasSurface::GetSurface() {
   if (sk_surface_)
     return sk_surface_;
 
   size_t length = size_.width() * size_.height() * 4;
   auto shared_memory = make_scoped_ptr(new base::SharedMemory);
   if (!shared_memory->CreateAndMapAnonymous(length))
@@ skipping 103 matching lines @@
   return nullptr;
 }
 
 scoped_refptr<NativePixmap> WaylandSurfaceFactory::CreateNativePixmapFromHandle(
     const gfx::NativePixmapHandle& handle) {
   NOTIMPLEMENTED();
   return nullptr;
 }
 
 }  // namespace ui