Initialize AudioContext on constructor to increase currentTime in real-time.

Source/modules/webaudio/AudioContext.h

Index: Source/modules/webaudio/AudioContext.h
diff --git a/Source/modules/webaudio/AudioContext.h b/Source/modules/webaudio/AudioContext.h
index 7b0aec2d5b0bf7ed237d21ba554a24ea0de60a20..3e64594fb3c7992c03c8b9f2ea849145344ab9c4 100644
--- a/Source/modules/webaudio/AudioContext.h
+++ b/Source/modules/webaudio/AudioContext.h
@@ -85,9 +85,6 @@ public:
     virtual void trace(Visitor*);
 
     bool isInitialized() const;
-    // The constructor of an AudioNode must call this to initialize the context.
-    void lazyInitialize();
-
     bool isOfflineContext() { return m_isOfflineContext; }
 
     // Document notification
@@ -242,6 +239,7 @@ protected:
 private:
     void constructCommon();
 
+    void initialize();
     void uninitialize();
 
     // ExecutionContext calls stop twice.