Use explicit WebString conversions in remaining components files

components/printing/renderer/print_web_view_helper.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 "components/printing/renderer/print_web_view_helper.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 83 matching lines @@
     "document.open(); document.write(%s); document.close();";
 
 const char kPageSetupScriptFormat[] = "setup(%s);";
 
 void ExecuteScript(blink::WebFrame* frame,
                    const char* script_format,
                    const base::Value& parameters) {
   std::string json;
   base::JSONWriter::Write(parameters, &json);
   std::string script = base::StringPrintf(script_format, json.c_str());
-  frame->executeScript(blink::WebString(base::UTF8ToUTF16(script)));
+  frame->executeScript(blink::WebString::fromUTF8(script));
 }
 #else
 bool g_is_preview_enabled = false;
 #endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 int GetDPI(const PrintMsg_Print_Params* print_params) {
 #if defined(OS_MACOSX)
   // On the Mac, the printable area is in points, don't do any scaling based
   // on dpi.
   return kPointsPerInch;
@@ skipping 485 matching lines @@
   options.reset(new base::DictionaryValue());
   options->SetDouble(kSettingHeaderFooterDate, base::Time::Now().ToJsTime());
   options->SetDouble("width", page_size.width);
   options->SetDouble("height", page_size.height);
   options->SetDouble("topMargin", page_layout.margin_top);
   options->SetDouble("bottomMargin", page_layout.margin_bottom);
   options->SetString("pageNumber",
                      base::StringPrintf("%d/%d", page_number, total_pages));
 
   options->SetString("url", params.url);
-  base::string16 title = source_frame.document().title();
+  base::string16 title = source_frame.document().title().utf16();
   options->SetString("title", title.empty() ? params.title : title);
 
   ExecuteScript(frame, kPageSetupScriptFormat, *options);
 
   blink::WebPrintParams webkit_params(page_size);
   webkit_params.printerDPI = GetDPI(&params);
 
   frame->printBegin(webkit_params);
   frame->printPage(0, canvas);
   frame->printEnd();
@@ skipping 1728 matching lines @@
       blink::WebConsoleMessage::LevelWarning, message));
   return false;
 }
 
 void PrintWebViewHelper::ScriptingThrottler::Reset() {
   // Reset counter on successful print.
   count_ = 0;
 }
 
 }  // namespace printing