Use #include guards in the web audio code, no bug

content/media/webaudio/AudioBuffer.h

@@ -4,7 +4,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#pragma once
+#ifndef AudioBuffer_h_
+#define AudioBuffer_h_
 
 #include "nsWrapperCache.h"
 #include "nsCycleCollectionParticipant.h"
@@ -81,3 +82,5 @@ private:
 }
 }
 
+#endif
+

content/media/webaudio/AudioBufferSourceNode.h

@@ -4,7 +4,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#pragma once
+#ifndef AudioBufferSourceNode_h_
+#define AudioBufferSourceNode_h_
 
 #include "AudioSourceNode.h"
 #include "AudioBuffer.h"
@@ -39,3 +40,5 @@ private:
 }
 }
 
+#endif
+

content/media/webaudio/AudioContext.h

@@ -4,7 +4,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#pragma once
+#ifndef AudioContext_h_
+#define AudioContext_h_
 
 #include "nsWrapperCache.h"
 #include "nsCycleCollectionParticipant.h"
@@ -68,3 +69,5 @@ private:
 }
 }
 
+#endif
+

content/media/webaudio/AudioDestinationNode.h

@@ -4,7 +4,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#pragma once
+#ifndef AudioDestinationNode_h_
+#define AudioDestinationNode_h_
 
 #include "AudioNode.h"
 
@@ -37,3 +38,5 @@ public:
 }
 }
 
+#endif
+

content/media/webaudio/AudioEventTimeline.h

@@ -4,7 +4,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#pragma once
+#ifndef AudioEventTimeline_h_
+#define AudioEventTimeline_h_
 
 #include "mozilla/Attributes.h"
 #include "mozilla/FloatingPoint.h"
@@ -372,3 +373,5 @@ private:
 }
 }
 
+#endif
+

content/media/webaudio/AudioNode.h

@@ -4,7 +4,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#pragma once
+#ifndef AudioNode_h_
+#define AudioNode_h_
 
 #include "nsWrapperCache.h"
 #include "nsCycleCollectionParticipant.h"
@@ -128,3 +129,5 @@ private:
 }
 }
 
+#endif
+

content/media/webaudio/AudioParam.h

@@ -4,7 +4,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#pragma once
+#ifndef AudioParam_h_
+#define AudioParam_h_
 
 #include "AudioEventTimeline.h"
 #include "nsWrapperCache.h"
@@ -114,3 +115,5 @@ private:
 }
 }
 
+#endif
+

content/media/webaudio/AudioSourceNode.h

@@ -4,7 +4,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#pragma once
+#ifndef AudioSourceNode_h_
+#define AudioSourceNode_h_
 
 #include "AudioNode.h"
 
@@ -32,3 +33,5 @@ public:
 }
 }
 
+#endif
+

content/media/webaudio/EnableWebAudioCheck.h

@@ -4,7 +4,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#pragma once
+#ifndef EnableWebAudioCheck_h_
+#define EnableWebAudioCheck_h_
 
 namespace mozilla {
 namespace dom {
@@ -19,3 +20,5 @@ public:
 }
 }
 
+#endif
+