Replace 4096 with rendering quantum size

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

Index: third_party/WebKit/Source/modules/webaudio/AudioBufferSourceNode.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/AudioBufferSourceNode.cpp b/third_party/WebKit/Source/modules/webaudio/AudioBufferSourceNode.cpp
index bcdae9ae5313d3cb6a05abc663267b226e3c5d45..7352d0ee705fa76ab1d9ce8a27cb2c8a15fb6b7e 100644
--- a/third_party/WebKit/Source/modules/webaudio/AudioBufferSourceNode.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/AudioBufferSourceNode.cpp
@@ -173,7 +173,8 @@ bool AudioBufferSourceHandler::renderFromBuffer(AudioBus* bus, unsigned destinat
     // Sanity check destinationFrameOffset, numberOfFrames.
     size_t destinationLength = bus->length();
 
-    bool isLengthGood = destinationLength <= 4096 && numberOfFrames <= 4096;
+    bool isLengthGood = destinationLength <= AudioUtilities::kRenderQuantumFrames
+        && numberOfFrames <= AudioUtilities::kRenderQuantumFrames;
     ASSERT(isLengthGood);
     if (!isLengthGood)
         return false;