Work on improving PpbAudioConfig:RecommendSampleFrameCount

ppapi/examples/audio/audio.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
 // Needed on Windows to get |M_PI| from math.h.
 #ifdef _WIN32
 #define _USE_MATH_DEFINES
 #endif
 
 #include <math.h>
 #include <stdlib.h>
@@ skipping 37 matching lines @@
         int value = atoi(argv[i]);
         if (value > 0 && value <= 1000000)
           sample_rate_ = static_cast<PP_AudioSampleRate>(value);
         else
           return false;
       }
     }
 
     pp::AudioConfig config;
     sample_count_ = pp::AudioConfig::RecommendSampleFrameCount(
-        sample_rate_, kDefaultSampleCount);
+        this, sample_rate_, kDefaultSampleCount);
     config = pp::AudioConfig(this, sample_rate_, sample_count_);
     audio_ = pp::Audio(this, config, SineWaveCallbackTrampoline, this);
     return audio_.StartPlayback();
   }
 
   virtual void DidChangeView(const pp::View& view) {
     // The frequency will change depending on whether the page is in the
     // foreground or background.
     visible_ = view.IsPageVisible();
   }
@@ skipping 54 matching lines @@
 };
 
 namespace pp {
 
 // Factory function for your specialization of the Module object.
 Module* CreateModule() {
   return new MyModule();
 }
 
 }  // namespace pp