Fix BaseAudioContext::hasPendingActivity() to make it GCed correctly

third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp

Index: third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp b/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp
index 2e72ec0778d2f4d10bedb4b47c8f0f8f00d29de2..0914dfafd913d50de7e1151223037dc794d762e9 100644
--- a/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.cpp
@@ -213,8 +213,10 @@ void BaseAudioContext::stop()
 
 bool BaseAudioContext::hasPendingActivity() const
 {
-    // There's no pending activity if the audio context has been cleared.
-    return !m_isCleared;
+    // If the destination node (handler) has any active connection and the audio
+    // graph needs to be rendered, we mark the context as 'hasPendingActivity'.
+    // This keeps this node from getting GCed.
+    return destination()->hasConnection();
 }
 
 AudioDestinationNode* BaseAudioContext::destination() const