[HBD] Blanket BLOCK on all non-HTTP(s) and non-FILE URLs for Flash.

chrome/renderer/plugins/chrome_plugin_placeholder.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/plugins/chrome_plugin_placeholder.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 272 matching lines @@
     prerender::PrerenderMode mode) {
   OnSetIsPrerendering(mode != prerender::NO_PRERENDER);
 }
 
 void ChromePluginPlaceholder::PluginListChanged() {
   if (!GetFrame() || !plugin())
     return;
 
   ChromeViewHostMsg_GetPluginInfo_Output output;
   std::string mime_type(GetPluginParams().mimeType.utf8());
-  blink::WebString top_origin =
-      GetFrame()->top()->getSecurityOrigin().toString();
-  render_frame()->Send(
-      new ChromeViewHostMsg_GetPluginInfo(routing_id(),
-                                          GURL(GetPluginParams().url),
-                                          blink::WebStringToGURL(top_origin),
-                                          mime_type,
-                                          &output));
+  render_frame()->Send(new ChromeViewHostMsg_GetPluginInfo(
+      routing_id(), GURL(GetPluginParams().url),
+      GetFrame()->top()->getSecurityOrigin(), mime_type, &output));
   if (output.status == status_)
     return;
   blink::WebPlugin* new_plugin = ChromeContentRendererClient::CreatePlugin(
       render_frame(), GetFrame(), GetPluginParams(), output);
   ReplacePlugin(new_plugin);
   if (!new_plugin) {
     PluginUMAReporter::GetInstance()->ReportPluginMissing(
         GetPluginParams().mimeType.utf8(), GURL(GetPluginParams().url));
   }
 }
@@ skipping 117 matching lines @@
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnablePluginPlaceholderTesting)) {
     builder.SetMethod<void (ChromePluginPlaceholder::*)()>(
         "didFinishIconRepositionForTesting",
         &ChromePluginPlaceholder::DidFinishIconRepositionForTestingCallback);
   }
 
   return builder;
 }