Move logic that sets variable m_isInitialized to false before stop destination.

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 39f6180ad733c492b35a46d1548be2d553d54d1e..08a62ee72ced595941fd3a0a7d2368d7237fd161 100644
--- a/Source/modules/webaudio/AudioContext.cpp
+++ b/Source/modules/webaudio/AudioContext.cpp
@@ -187,6 +187,8 @@ void AudioContext::uninitialize()
     if (!isInitialized())
         return;
 
+    m_isInitialized = false;
+
     // This stops the audio thread and all audio rendering.
     m_destinationNode->uninitialize();
 
@@ -198,7 +200,6 @@ void AudioContext::uninitialize()
     // Get rid of the sources which may still be playing.
     derefUnfinishedSourceNodes();
 
-    m_isInitialized = false;
     clear();
 }