Skip base::string16 if not necessary for WebString <-> ASCII conversion

content/renderer/render_thread_impl.cc

 // Copyright (c) 2012 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 "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 1313 matching lines @@
 
   if (command_line.HasSwitch(switches::kExplicitlyAllowedPorts)) {
     std::string allowed_ports =
         command_line.GetSwitchValueASCII(switches::kExplicitlyAllowedPorts);
     net::SetExplicitlyAllowedPorts(allowed_ports);
   }
 }
 
 void RenderThreadImpl::RegisterSchemes() {
   // chrome:
-  WebString chrome_scheme(base::ASCIIToUTF16(kChromeUIScheme));
+  WebString chrome_scheme(WebString::fromASCII(kChromeUIScheme));
   WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(chrome_scheme);
   WebSecurityPolicy::registerURLSchemeAsNotAllowingJavascriptURLs(
       chrome_scheme);
   WebSecurityPolicy::registerURLSchemeAsSecure(chrome_scheme);
   WebSecurityPolicy::registerURLSchemeAsCORSEnabled(chrome_scheme);
 
   // chrome-devtools:
-  WebString devtools_scheme(base::ASCIIToUTF16(kChromeDevToolsScheme));
+  WebString devtools_scheme(WebString::fromASCII(kChromeDevToolsScheme));
   WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(devtools_scheme);
 
   // view-source:
-  WebString view_source_scheme(base::ASCIIToUTF16(kViewSourceScheme));
+  WebString view_source_scheme(WebString::fromASCII(kViewSourceScheme));
   WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(view_source_scheme);
 }
 
 void RenderThreadImpl::NotifyTimezoneChange() {
   NotifyTimezoneChangeOnThisThread();
   RenderThread::Get()->PostTaskToAllWebWorkers(
       base::Bind(&NotifyTimezoneChangeOnThisThread));
 }
 
 void RenderThreadImpl::RecordAction(const base::UserMetricsAction& action) {
@@ skipping 1125 matching lines @@
   }
 }
 
 void RenderThreadImpl::OnRendererInterfaceRequest(
     mojom::RendererAssociatedRequest request) {
   DCHECK(!renderer_binding_.is_bound());
   renderer_binding_.Bind(std::move(request));
 }
 
 }  // namespace content