Get rid of custom bindings for AudioContext's constructor

Source/modules/webaudio/AudioContext.cpp

Index: Source/modules/webaudio/AudioContext.cpp
diff --git a/Source/modules/webaudio/AudioContext.cpp b/Source/modules/webaudio/AudioContext.cpp
index 884d95bd3025cf92ea50f9884d75e07a6c81adb3..a7c6ce2df26d1bdd157bf1f31f3c372a2288d6f8 100644
--- a/Source/modules/webaudio/AudioContext.cpp
+++ b/Source/modules/webaudio/AudioContext.cpp
@@ -58,6 +58,7 @@
 #include "modules/webaudio/MediaStreamAudioDestinationNode.h"
 #include "modules/webaudio/MediaStreamAudioSourceNode.h"
 #include "modules/webaudio/OfflineAudioCompletionEvent.h"
+#include "modules/webaudio/OfflineAudioContext.h"
 #include "modules/webaudio/OfflineAudioDestinationNode.h"
 #include "modules/webaudio/OscillatorNode.h"
 #include "modules/webaudio/PannerNode.h"
@@ -95,18 +96,29 @@ bool AudioContext::isSampleRateRangeGood(float sampleRate)
 const unsigned MaxHardwareContexts = 4;
 unsigned AudioContext::s_hardwareContextCount = 0;
 
-PassRefPtr<AudioContext> AudioContext::create(Document* document)
+PassRefPtr<AudioContext> AudioContext::create(Document& document, ExceptionState& es)
 {
-    ASSERT(document);
     ASSERT(isMainThread());
-    if (s_hardwareContextCount >= MaxHardwareContexts)
+    if (s_hardwareContextCount >= MaxHardwareContexts) {
+        es.throwDOMException(
+            SyntaxError,
+            ExceptionMessages::failedToConstruct(
+                "AudioContext",
+                "number of hardware contexts reached maximum (" + String::number(MaxHardwareContexts) + ")."));
         return 0;
+    }
 
-    RefPtr<AudioContext> audioContext(adoptRef(new AudioContext(document)));
+    RefPtr<AudioContext> audioContext(adoptRef(new AudioContext(&document)));
     audioContext->suspendIfNeeded();
     return audioContext.release();
 }
 
+PassRefPtr<AudioContext> AudioContext::create(Document& document, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState& es)
+{
+    document.addConsoleMessage(JSMessageSource, WarningMessageLevel, "Deprecated AudioContext constructor: use OfflineAudioContext instead");
+    return OfflineAudioContext::create(&document, numberOfChannels, numberOfFrames, sampleRate, es);
+}
+
 // Constructor for rendering to the audio hardware.
 AudioContext::AudioContext(Document* document)
     : ActiveDOMObject(document)