Sub-sample accurate start of OscillatorNode

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

Index: third_party/WebKit/Source/modules/webaudio/ConstantSourceNode.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/ConstantSourceNode.cpp b/third_party/WebKit/Source/modules/webaudio/ConstantSourceNode.cpp
index 821419d0125c9f07afd506125e19d310c054946f..ce68569c9d7b66654933c5040fa36f25b6b4bab5 100644
--- a/third_party/WebKit/Source/modules/webaudio/ConstantSourceNode.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/ConstantSourceNode.cpp
@@ -58,11 +58,12 @@ void ConstantSourceHandler::process(size_t framesToProcess) {
 
   size_t quantumFrameOffset;
   size_t nonSilentFramesToProcess;
+  double startFrameOffset;
 
   // Figure out where in the current rendering quantum that the source is
   // active and for how many frames.
   updateSchedulingInfo(framesToProcess, outputBus, quantumFrameOffset,
-                       nonSilentFramesToProcess);
+                       nonSilentFramesToProcess, startFrameOffset);
 
   if (!nonSilentFramesToProcess) {
     outputBus->zero();