Add WebKit API to retrieve the audio hardware sample-rate

content/renderer/renderer_webkitclient_impl.cc

 // Copyright (c) 2010 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_webkitclient_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/platform_file.h"
 #include "base/shared_memory.h"
@@ skipping 11 matching lines @@
 #include "content/common/webmessageportchannel_impl.h"
 #include "content/plugin/npobject_util.h"
 #include "content/renderer/render_view.h"
 #include "content/renderer/renderer_webaudiodevice_impl.h"
 #include "content/renderer/renderer_webidbfactory_impl.h"
 #include "content/renderer/renderer_webstoragenamespace_impl.h"
 #include "content/renderer/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/renderer/websharedworkerrepository_impl.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_sync_message_filter.h"
+#include "media/audio/audio_util.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBlobRegistry.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebGraphicsContext3D.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBFactory.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKey.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKeyPath.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSerializedScriptValue.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageEventDispatcher.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebVector.h"
@@ skipping 486 matching lines @@
     return new webkit::gpu::WebGraphicsContext3DInProcessImpl();
   } else {
 #if defined(ENABLE_GPU)
     return new WebGraphicsContext3DCommandBufferImpl();
 #else
     return NULL;
 #endif
   }
 }
 
+double RendererWebKitClientImpl::audioHardwareSampleRate() {
+    return media::GetAudioHardwareSampleRate();

[scherkus (not reviewing), 2011/03/23 04:57:57]

nit: two space indent

+}
+
 WebAudioDevice*
 RendererWebKitClientImpl::createAudioDevice(
     size_t buffer_size,
     unsigned channels,
     double sample_rate,
     WebAudioDevice::RenderCallback* callback) {
   return new RendererWebAudioDeviceImpl(buffer_size,
                                         channels,
                                         sample_rate,
                                         callback);
@@ skipping 14 matching lines @@
   return WebString::fromUTF8(signed_public_key);
 }
 
 //------------------------------------------------------------------------------
 
 WebBlobRegistry* RendererWebKitClientImpl::blobRegistry() {
   if (!blob_registry_.get())
     blob_registry_.reset(new WebBlobRegistryImpl(RenderThread::current()));
   return blob_registry_.get();
 }