Avoid destroying surface before the parent surface stops referencing it.

ui/compositor/test/in_process_context_factory.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/compositor/test/in_process_context_factory.h"
 
 #include "base/command_line.h"
 #include "base/threading/thread.h"
 #include "cc/output/output_surface.h"
+#include "cc/surfaces/surface_id_allocator.h"
 #include "cc/test/test_shared_bitmap_manager.h"
 #include "ui/compositor/compositor_switches.h"
 #include "ui/compositor/reflector.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_surface.h"
 #include "webkit/common/gpu/context_provider_in_process.h"
 #include "webkit/common/gpu/grcontext_for_webgraphicscontext3d.h"
 #include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
 
 namespace ui {
 
 InProcessContextFactory::InProcessContextFactory()
-    : shared_bitmap_manager_(new cc::TestSharedBitmapManager()) {
+    : shared_bitmap_manager_(new cc::TestSharedBitmapManager()),
+      next_surface_id_namespace_(0) {
   DCHECK_NE(gfx::GetGLImplementation(), gfx::kGLImplementationNone)
       << "If running tests, ensure that main() is calling "
       << "gfx::GLSurface::InitializeOneOffForTests()";
 
 #if defined(OS_CHROMEOS)
   bool use_thread = !CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kUIDisableThreadedCompositing);
 #else
   bool use_thread = false;
 #endif
@@ skipping 62 matching lines @@
 cc::SharedBitmapManager* InProcessContextFactory::GetSharedBitmapManager() {
   return shared_bitmap_manager_.get();
 }
 
 base::MessageLoopProxy* InProcessContextFactory::GetCompositorMessageLoop() {
   if (!compositor_thread_)
     return NULL;
   return compositor_thread_->message_loop_proxy().get();
 }
 
+scoped_ptr<cc::SurfaceIdAllocator>
+InProcessContextFactory::CreateSurfaceIdAllocator() {
+  return make_scoped_ptr(
+      new cc::SurfaceIdAllocator(next_surface_id_namespace_++));
+}
+
 }  // namespace ui