ozone: Clarify All SurfaceFactoryOzone APIs except for CreateNativePixmap() must be used on the mai…

ui/ozone/platform/test/test_window_manager.cc

 // Copyright 2014 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/test/test_window_manager.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
 #include "base/stl_util.h"
@@ skipping 51 matching lines @@
   skia::RefPtr<SkSurface> surface_;
 };
 
 }  // namespace
 
 TestWindowManager::TestWindowManager(const base::FilePath& dump_location)
     : location_(dump_location) {
 }
 
 TestWindowManager::~TestWindowManager() {
+  DCHECK(thread_checker_.CalledOnValidThread());
 }
 
 void TestWindowManager::Initialize() {
   if (location_.empty())
     return;
   if (!DirectoryExists(location_) && !base::CreateDirectory(location_) &&
       location_ != base::FilePath("/dev/null"))
     PLOG(FATAL) << "unable to create output directory";
   if (!base::PathIsWritable(location_))
     PLOG(FATAL) << "unable to write to output location";
 }
 
 int32_t TestWindowManager::AddWindow(TestWindow* window) {
   return windows_.Add(window);
 }
 
 void TestWindowManager::RemoveWindow(int32_t window_id, TestWindow* window) {
   DCHECK_EQ(window, windows_.Lookup(window_id));
   windows_.Remove(window_id);
 }
 
 base::FilePath TestWindowManager::base_path() const {
   return location_;
 }
 
 scoped_ptr<SurfaceOzoneCanvas> TestWindowManager::CreateCanvasForWidget(
     gfx::AcceleratedWidget widget) {
+  DCHECK(thread_checker_.CalledOnValidThread());
   TestWindow* window = windows_.Lookup(widget);
   DCHECK(window);
   return make_scoped_ptr<SurfaceOzoneCanvas>(new FileSurface(window->path()));
 }
 
 bool TestWindowManager::LoadEGLGLES2Bindings(
     AddGLLibraryCallback add_gl_library,
     SetGLGetProcAddressProcCallback set_gl_get_proc_address) {
+  DCHECK(thread_checker_.CalledOnValidThread());
   return false;
 }
 
 }  // namespace ui