Refactor AudioParameters member setting.

content/renderer/renderer_blink_platform_impl.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.
 
 #include "content/renderer/renderer_blink_platform_impl.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/location.h"
@@ skipping 145 matching lines @@
 bool g_sandbox_enabled = true;
 double g_test_device_light_data = -1;
 base::LazyInstance<blink::WebDeviceMotionData>::Leaky
     g_test_device_motion_data = LAZY_INSTANCE_INITIALIZER;
 base::LazyInstance<blink::WebDeviceOrientationData>::Leaky
     g_test_device_orientation_data = LAZY_INSTANCE_INITIALIZER;
 // Set in startListening() when running layout tests, unset in stopListening(),
 // not owned by us.
 blink::WebBatteryStatusListener* g_test_battery_status_listener = nullptr;
 
-} // namespace
+}  // namespace
 
 //------------------------------------------------------------------------------
 
 class RendererBlinkPlatformImpl::MimeRegistry
     : public SimpleWebMimeRegistryImpl {
  public:
   virtual blink::WebMimeRegistry::SupportsType supportsMediaMIMEType(
       const blink::WebString& mime_type,
       const blink::WebString& codecs,
       const blink::WebString& key_system);
@@ skipping 553 matching lines @@
       !base::StringToInt(base::UTF16ToUTF8(
           base::StringPiece16(input_device_id)), &session_id)) {
     if (input_channels > 0)
       DLOG(WARNING) << "createAudioDevice(): request for audio input ignored";
 
     input_channels = 0;
   }
 
   // For CHANNEL_LAYOUT_DISCRETE, pass the explicit channel count along with
   // the channel layout when creating an |AudioParameters| object.
-  media::AudioParameters params(
-      media::AudioParameters::AUDIO_PCM_LOW_LATENCY,
-      layout, channels, static_cast<int>(sample_rate), 16, buffer_size,
-      media::AudioParameters::NO_EFFECTS);
+  media::AudioParameters params(media::AudioParameters::AUDIO_PCM_LOW_LATENCY,
+                                layout, static_cast<int>(sample_rate), 16,
+                                buffer_size);
+  params.set_channels_for_discrete(channels);
 
   return new RendererWebAudioDeviceImpl(params, callback, session_id);
 }
 
 #if defined(OS_ANDROID)
 bool RendererBlinkPlatformImpl::loadAudioResource(
     blink::WebAudioBus* destination_bus,
     const char* audio_file_data,
     size_t data_size) {
   return DecodeAudioFileData(destination_bus,
@@ skipping 234 matching lines @@
         gl_info->deviceId = gpu_info.gpu.device_id;
         break;
       case gpu::kCollectInfoFatalFailure:
       case gpu::kCollectInfoNone:
         gl_info->contextInfoCollectionFailure.assign(blink::WebString::fromUTF8(
             "GPUInfoCollectionFailure: GPU initialization Failed. GPU "
             "Info not Collected."));
         break;
       default:
         NOTREACHED();
-    };
+    }
   }
 
   WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits limits;
   bool lose_context_when_out_of_memory = false;
   scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context(
       WebGraphicsContext3DCommandBufferImpl::CreateOffscreenContext(
           gpu_channel_host.get(),
           attributes,
           lose_context_when_out_of_memory,
           GURL(attributes.topDocumentURL),
@@ skipping 237 matching lines @@
 //------------------------------------------------------------------------------
 
 void RendererBlinkPlatformImpl::MockBatteryStatusChangedForTesting(
     const blink::WebBatteryStatus& status) {
   if (!g_test_battery_status_listener)
     return;
   g_test_battery_status_listener->updateBatteryStatus(status);
 }
 
 }  // namespace content