Deprecate URL.createObjectURL/revokeObjectURL in Service Workers

third_party/WebKit/Source/modules/mediasource/URLMediaSource.cpp

Index: third_party/WebKit/Source/modules/mediasource/URLMediaSource.cpp
diff --git a/third_party/WebKit/Source/modules/mediasource/URLMediaSource.cpp b/third_party/WebKit/Source/modules/mediasource/URLMediaSource.cpp
index b7bd93243edc4a651a94e7b76627d0a232c8ccb6..fefa2eb7dbaa0ee5a3623e1842d843d3ba39fbfe 100644
--- a/third_party/WebKit/Source/modules/mediasource/URLMediaSource.cpp
+++ b/third_party/WebKit/Source/modules/mediasource/URLMediaSource.cpp
@@ -31,6 +31,8 @@
 #include "modules/mediasource/URLMediaSource.h"
 
 #include "core/dom/DOMURL.h"
+#include "core/frame/Deprecation.h"
+#include "core/frame/UseCounter.h"
 #include "modules/mediasource/MediaSource.h"
 
 namespace blink {
@@ -40,8 +42,12 @@ String URLMediaSource::createObjectURL(ExecutionContext* executionContext, Media
     // Since WebWorkers cannot obtain MediaSource objects, we should be on the main thread.
     ASSERT(isMainThread());
 
+    if (executionContext && executionContext->isServiceWorkerGlobalScope())

[Rick Byers, 2016/05/04 20:42:18]

nit: you could eliminate some redundancy by adding a
Deprecation::countDeprecationServiceWorker method similar to the other
countDeprecation* methods.  Minor though - up to you.

[jsbell, 2016/05/04 23:05:57]

Noted - given that this is temporary (famous last words...), leaving this as-is.

+        Deprecation::countDeprecation(executionContext, UseCounter::URL_Method_CreateObjectURL_ServiceWorker);
+
     if (!executionContext)
         return String();
+
     return DOMURL::createPublicURL(executionContext, source);
 }