Revert of Implement suspend() and resume() for OfflineAudioContext

Source/modules/webaudio/AudioNode.h

Index: Source/modules/webaudio/AudioNode.h
diff --git a/Source/modules/webaudio/AudioNode.h b/Source/modules/webaudio/AudioNode.h
index c055ba833158ccb6c3d0eedd0cfbb0e614191928..1a7d57a70d0d0b146566622e74a0178a67bde359 100644
--- a/Source/modules/webaudio/AudioNode.h
+++ b/Source/modules/webaudio/AudioNode.h
@@ -107,7 +107,7 @@
     // nullptr otherwise.  This always returns a valid object in an audio
     // rendering thread, and inside dispose().  We must not call context() in
     // the destructor.
-    virtual AbstractAudioContext* context() const;
+    AbstractAudioContext* context() const;
     void clearContext() { m_context = nullptr; }
 
     enum ChannelCountMode {
@@ -229,23 +229,23 @@
     // Force all inputs to take any channel interpretation changes into account.
     void updateChannelsForInputs();
 
+private:
+    void setNodeType(NodeType);
+
+    volatile bool m_isInitialized;
+    NodeType m_nodeType;
+
+    // The owner AudioNode.  This raw pointer is safe because dispose() is
+    // called before the AudioNode death, and it clears m_node.  Do not access
+    // m_node directly, use node() instead.
+    GC_PLUGIN_IGNORE("http://crbug.com/404527")
+    AudioNode* m_node;
+
     // This raw pointer is safe because this is cleared for all of live
     // AudioHandlers when the AbstractAudioContext dies.  Do not access m_context
     // directly, use context() instead.
     GC_PLUGIN_IGNORE("http://crbug.com/404527")
     AbstractAudioContext* m_context;
-
-private:
-    void setNodeType(NodeType);
-
-    volatile bool m_isInitialized;
-    NodeType m_nodeType;
-
-    // The owner AudioNode.  This raw pointer is safe because dispose() is
-    // called before the AudioNode death, and it clears m_node.  Do not access
-    // m_node directly, use node() instead.
-    GC_PLUGIN_IGNORE("http://crbug.com/404527")
-    AudioNode* m_node;
 
     float m_sampleRate;
     Vector<OwnPtr<AudioNodeInput>> m_inputs;