Replace ASSERT with DCHECK in WebAudio

third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.cpp

Index: third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.cpp b/third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.cpp
index b4c87c43dd3c08d99f1d648d2642ff63162dda0f..992b9d570b7149f39a0f7522632dd862acd10400 100644
--- a/third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/ChannelSplitterNode.cpp
@@ -52,14 +52,14 @@ PassRefPtr<ChannelSplitterHandler> ChannelSplitterHandler::create(AudioNode& nod
 void ChannelSplitterHandler::process(size_t framesToProcess)
 {
     AudioBus* source = input(0).bus();
-    ASSERT(source);
+    DCHECK(source);
     ASSERT_UNUSED(framesToProcess, framesToProcess == source->length());
 
     unsigned numberOfSourceChannels = source->numberOfChannels();
 
     for (unsigned i = 0; i < numberOfOutputs(); ++i) {
         AudioBus* destination = output(i).bus();
-        ASSERT(destination);
+        DCHECK(destination);
 
         if (i < numberOfSourceChannels) {
             // Split the channel out if it exists in the source.