Show ServiceWorkers in chrome://inspect.

chrome/browser/ui/webui/inspect_ui.cc

Index: chrome/browser/ui/webui/inspect_ui.cc
diff --git a/chrome/browser/ui/webui/inspect_ui.cc b/chrome/browser/ui/webui/inspect_ui.cc
index f82f3a5a28c1bf02f77a9142e8450cfb51fd2cfd..0a778c0dce8b2358f418edac63ec018b028dd40c 100644
--- a/chrome/browser/ui/webui/inspect_ui.cc
+++ b/chrome/browser/ui/webui/inspect_ui.cc
@@ -368,9 +368,34 @@ content::WebUIDataSource* InspectUI::CreateInspectUIHTMLSource() {
   source->AddResourcePath("inspect.css", IDR_INSPECT_CSS);
   source->AddResourcePath("inspect.js", IDR_INSPECT_JS);
   source->SetDefaultResource(IDR_INSPECT_HTML);
+  source->OverrideContentSecurityPolicyFrameSrc(
+      "frame-src chrome://serviceworker-internals;");
+  serviceworker_webui_.reset(web_ui()->GetWebContents()->CreateWebUI(
+      GURL(content::kChromeUIServiceWorkerInternalsURL)));
+  serviceworker_webui_->OverrideJavaScriptFrame(
+      content::kChromeUIServiceWorkerInternalsHost);
   return source;
 }
 
+void InspectUI::RenderViewCreated(content::RenderViewHost* render_view_host) {
+  serviceworker_webui_->GetController()->RenderViewCreated(render_view_host);
+}
+
+void InspectUI::RenderViewReused(content::RenderViewHost* render_view_host) {
+  serviceworker_webui_->GetController()->RenderViewReused(render_view_host);
+}
+
+bool InspectUI::OverrideHandleWebUIMessage(const GURL& source_url,
+                                           const std::string& message,
+                                           const base::ListValue& args) {
+  if (source_url.SchemeIs(content::kChromeUIScheme) &&
+      source_url.host() == content::kChromeUIServiceWorkerInternalsHost) {
+    serviceworker_webui_->ProcessWebUIMessage(source_url, message, args);
+    return true;
+  }
+  return false;
+}
+
 void InspectUI::UpdateDiscoverUsbDevicesEnabled() {
   web_ui()->CallJavascriptFunction(
       "updateDiscoverUsbDevicesEnabled",