Revert of Revert of DevTools: Introduce module initializers

Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotWorker.js

Index: Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotWorker.js
diff --git a/Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotWorker.js b/Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotWorker.js
index 9849399b44271db506fdcfb321fdb27c5329a996..61a166e462c0308620e2dfa57767ef8aba094c9e 100644
--- a/Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotWorker.js
+++ b/Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotWorker.js
@@ -28,18 +28,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-WebInspector = {};
-
-importScripts("../common/UIString.js");
-importScripts("../common/utilities.js");
-importScripts("../common/TextUtils.js");
-importScripts("../profiler/HeapSnapshotCommon.js");
-importScripts("AllocationProfile.js");
-importScripts("HeapSnapshot.js");
-importScripts("HeapSnapshotLoader.js");
-importScripts("HeapSnapshotWorkerDispatcher.js");
-importScripts("JSHeapSnapshot.js");
-
 function postMessageWrapper(message)
 {
     postMessage(message);