OfflineAudioContext: add missing suspendIfNeeded() call.

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

Index: third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp b/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp
index d0acd8dbd40e27c20f1486655552d659e763b0ab..7e187b0adf91ac25c49ade6eeac49f3ab547920f 100644
--- a/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp
@@ -82,7 +82,10 @@ BaseAudioContext* BaseAudioContext::create(
     Document& document,
     const AudioContextOptions& contextOptions,
     ExceptionState& exceptionState) {
-  return AudioContext::create(document, contextOptions, exceptionState);
+  BaseAudioContext* context =
+      AudioContext::create(document, contextOptions, exceptionState);
+  context->suspendIfNeeded();

[Raymond Toy, 2017/03/21 15:29:48]

AudioContext::create calls suspendIfNeeded() too.  Are both necessary?

[sof, 2017/03/21 15:44:35]

No, not at all - thanks for pointing that out.

I misunderstood the stack, the problem enters due to
OfflineAudioContext::create()'s extra leaving early case (after r458087.)
Updated.

+  return context;
 }
 
 // FIXME(dominicc): Devolve these constructors to AudioContext