Remove worker process related codes from ContentBrowserClient.

android_webview/browser/aw_content_browser_client.cc

Index: android_webview/browser/aw_content_browser_client.cc
diff --git a/android_webview/browser/aw_content_browser_client.cc b/android_webview/browser/aw_content_browser_client.cc
index 5956111370ff15b546966088cd9eb81c5741be1d..4f44dd3d43a31c80c43753a0c1712a49bf941445 100644
--- a/android_webview/browser/aw_content_browser_client.cc
+++ b/android_webview/browser/aw_content_browser_client.cc
@@ -503,13 +503,6 @@ bool AwContentBrowserClient::CanCreateWindow(
   return true;
 }
 
-std::string AwContentBrowserClient::GetWorkerProcessTitle(const GURL& url,
-                                          content::ResourceContext* context) {
-  NOTREACHED() << "Android WebView does not yet support web workers.";
-  return std::string();
-}
-
-
 void AwContentBrowserClient::ResourceDispatcherHostCreated() {
   AwResourceDispatcherHostDelegate::ResourceDispatcherHostCreated();
 }