[DevTools] Remove extra plumbing from InspectorWorkerAgent, prepare to multi-client.

third_party/WebKit/Source/web/WebSharedWorkerImpl.cpp

Index: third_party/WebKit/Source/web/WebSharedWorkerImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebSharedWorkerImpl.cpp b/third_party/WebKit/Source/web/WebSharedWorkerImpl.cpp
index 0344fbc40e2d10223ebc84ec20e51940fc115a2f..3e51b793585c02e065b7ea5d57610831fc3760a4 100644
--- a/third_party/WebKit/Source/web/WebSharedWorkerImpl.cpp
+++ b/third_party/WebKit/Source/web/WebSharedWorkerImpl.cpp
@@ -230,11 +230,7 @@ void WebSharedWorkerImpl::postMessageToPageInspector(const String& message)
 
 void WebSharedWorkerImpl::postMessageToPageInspectorOnMainThread(const String& message)
 {
-    WorkerInspectorProxy::PageInspector* pageInspector = m_workerInspectorProxy->pageInspector();
-    if (!pageInspector)
-        return;
-    pageInspector->dispatchMessageFromWorker(message);
-
+    m_workerInspectorProxy->dispatchMessageFromWorker(message);
 }
 
 void WebSharedWorkerImpl::workerGlobalScopeClosed()