Convert GURL::{host,path} to GURL::{host_piece,path_piece} for ==.

chrome/renderer/printing/chrome_print_web_view_helper_delegate.cc

Index: chrome/renderer/printing/chrome_print_web_view_helper_delegate.cc
diff --git a/chrome/renderer/printing/chrome_print_web_view_helper_delegate.cc b/chrome/renderer/printing/chrome_print_web_view_helper_delegate.cc
index d20b8aafc887f834fdbe540318ef29f1f39eda0d..ab96fe740c3e0a4f794b40759ec86530564525f1 100644
--- a/chrome/renderer/printing/chrome_print_web_view_helper_delegate.cc
+++ b/chrome/renderer/printing/chrome_print_web_view_helper_delegate.cc
@@ -44,8 +44,9 @@ blink::WebElement ChromePrintWebViewHelperDelegate::GetPdfElement(
 #if defined(ENABLE_EXTENSIONS)
   GURL url = frame->document().url();
   bool inside_print_preview = url.GetOrigin() == chrome::kChromeUIPrintURL;
-  bool inside_pdf_extension = url.SchemeIs(extensions::kExtensionScheme) &&
-                              url.host() == extension_misc::kPdfExtensionId;
+  bool inside_pdf_extension =
+      url.SchemeIs(extensions::kExtensionScheme) &&
+      url.host_piece() == extension_misc::kPdfExtensionId;
   if (inside_print_preview || inside_pdf_extension) {
     // <object> with id="plugin" is created in
     // chrome/browser/resources/pdf/pdf.js.