Introduce a client minimum picture pool size

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 578 matching lines @@
     CreateV4L2SliceVDA(),
     CreateVaapiVDA(),
   };
 
   for (size_t i = 0; i < arraysize(decoders); ++i) {
     if (!decoders[i])
       continue;
     decoder_ = decoders[i].Pass();
     weak_decoder_factory_.reset(
         new base::WeakPtrFactory<VideoDecodeAccelerator>(decoder_.get()));
-    if (decoder_->Initialize(profile_, client)) {
+    if (decoder_->Initialize(profile_, 0, client)) {
       SetState(CS_DECODER_SET);
       FinishInitialization();
       return;
     }
   }
   // Decoders are all initialize failed.
   LOG(ERROR) << "VideoDecodeAccelerator::Initialize() failed";
   CHECK(false);
 }
 
@@ skipping 1030 matching lines @@
   content::VaapiWrapper::PreSandboxInitialization();
 #endif
 
   content::g_env =
       reinterpret_cast<content::VideoDecodeAcceleratorTestEnvironment*>(
           testing::AddGlobalTestEnvironment(
               new content::VideoDecodeAcceleratorTestEnvironment()));
 
   return RUN_ALL_TESTS();
 }