Move the exception logic to the AudioNode creator

third_party/WebKit/Source/modules/webaudio/ConvolverNode.h

Index: third_party/WebKit/Source/modules/webaudio/ConvolverNode.h
diff --git a/third_party/WebKit/Source/modules/webaudio/ConvolverNode.h b/third_party/WebKit/Source/modules/webaudio/ConvolverNode.h
index 7ad656e1d576f90d6e9bf145c8eedb8c6454e0b2..294fde6d53a56570f4535af10aa2cf0a0cff7d96 100644
--- a/third_party/WebKit/Source/modules/webaudio/ConvolverNode.h
+++ b/third_party/WebKit/Source/modules/webaudio/ConvolverNode.h
@@ -75,7 +75,7 @@ private:
 class MODULES_EXPORT ConvolverNode final : public AudioNode {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static ConvolverNode* create(AbstractAudioContext&, float sampleRate);
+    static ConvolverNode* create(AbstractAudioContext&, ExceptionState&);
 
     AudioBuffer* buffer() const;
     void setBuffer(AudioBuffer*, ExceptionState&);
@@ -83,7 +83,7 @@ public:
     void setNormalize(bool);
 
 private:
-    ConvolverNode(AbstractAudioContext&, float sampleRate);
+    ConvolverNode(AbstractAudioContext&);
     ConvolverHandler& convolverHandler() const;
 
     FRIEND_TEST_ALL_PREFIXES(ConvolverNodeTest, ReverbLifetime);