vdatest: Initialize weak decoder pointer and factory.

content/common/gpu/media/video_decode_accelerator_unittest.cc

 // Copyright (c) 2012 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.
 //
 // The bulk of this file is support code; sorry about that.  Here's an overview
 // to hopefully help readers of this code:
 // - RenderingHelper is charged with interacting with X11/{EGL/GLES2,GLX/GL} or
 //   Win/EGL.
 // - ClientState is an enum for the state of the decode client used by the test.
 // - ClientStateNotification is a barrier abstraction that allows the test code
@@ skipping 522 matching lines @@
     VideoDecodeAccelerator::Config config(profile_);
     gpu::GpuPreferences gpu_preferences;
     decoder_ = vda_factory_->CreateVDA(this, config, gpu_preferences);
   }
 
   LOG_ASSERT(decoder_) << "Failed creating a VDA";
 
   decoder_->TryToSetupDecodeOnSeparateThread(
       weak_this_, base::ThreadTaskRunnerHandle::Get());
 
+  weak_vda_ptr_factory_.reset(
+      new base::WeakPtrFactory<VideoDecodeAccelerator>(decoder_.get()));
+  weak_vda_ = weak_vda_ptr_factory_->GetWeakPtr();
+
   SetState(CS_DECODER_SET);
   FinishInitialization();
 }
 
 void GLRenderingVDAClient::ProvidePictureBuffers(
     uint32_t requested_num_of_buffers,
     uint32_t textures_per_buffer,
     const gfx::Size& dimensions,
     uint32_t texture_target) {
   if (decoder_deleted())
@@ skipping 211 matching lines @@
   }
 
   for (int i = 0; i < num_in_flight_decodes_; ++i)
     DecodeNextFragment();
   DCHECK_EQ(outstanding_decodes_, num_in_flight_decodes_);
 }
 
 void GLRenderingVDAClient::DeleteDecoder() {
   if (decoder_deleted())
     return;
-  weak_vda_ptr_factory_.reset();
+  weak_vda_ptr_factory_->InvalidateWeakPtrs();
   decoder_.reset();
   STLClearObject(&encoded_data_);
   active_textures_.clear();
 
   // Cascade through the rest of the states to simplify test code below.
   for (int i = state_ + 1; i < CS_MAX; ++i)
     SetState(static_cast<ClientState>(i));
 }
 
 std::string GLRenderingVDAClient::GetBytesForFirstFragment(
@@ skipping 794 matching lines @@
   content::VaapiWrapper::PreSandboxInitialization();
 #endif
 
   content::g_env =
       reinterpret_cast<content::VideoDecodeAcceleratorTestEnvironment*>(
           testing::AddGlobalTestEnvironment(
               new content::VideoDecodeAcceleratorTestEnvironment()));
 
   return RUN_ALL_TESTS();
 }