Replace ASSERT with DCHECK in WebAudio

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

Index: third_party/WebKit/Source/modules/webaudio/AudioBuffer.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/AudioBuffer.cpp b/third_party/WebKit/Source/modules/webaudio/AudioBuffer.cpp
index c171de6b0a1811fd99ec8ed93e8a8d0dc34365a0..c7f7dacc6f4d4b152370ba868047367cbd822389 100644
--- a/third_party/WebKit/Source/modules/webaudio/AudioBuffer.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/AudioBuffer.cpp
@@ -239,8 +239,8 @@ void AudioBuffer::copyFromChannel(DOMFloat32Array* destination, long channelNumb
     const float* src = channelData->data();
     float* dst = destination->data();
 
-    ASSERT(src);
-    ASSERT(dst);
+    DCHECK(src);
+    DCHECK(dst);
 
     memcpy(dst, src + startInChannel, count * sizeof(*src));
 }
@@ -287,8 +287,8 @@ void AudioBuffer::copyToChannel(DOMFloat32Array* source, long channelNumber, uns
     const float* src = source->data();
     float* dst = channelData->data();
 
-    ASSERT(src);
-    ASSERT(dst);
+    DCHECK(src);
+    DCHECK(dst);
 
     memcpy(dst + startInChannel, src, count * sizeof(*dst));
 }