Continue to clean c_str() calls.

components/dom_distiller/content/browser/dom_distiller_viewer_source.cc

 // Copyright 2014 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/dom_distiller/content/browser/dom_distiller_viewer_source.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 118 matching lines @@
   }
 }
 
 void DomDistillerViewerSource::RequestViewerHandle::DidFinishNavigation(
     content::NavigationHandle* navigation_handle) {
   if (!navigation_handle->IsInMainFrame() || !navigation_handle->HasCommitted())
     return;
 
   const GURL& navigation = navigation_handle->GetURL();
   bool expected_main_view_request =
-      navigation.SchemeIs(expected_scheme_.c_str()) &&
+      navigation.SchemeIs(expected_scheme_) &&
       expected_request_path_ == navigation.query();
   if (navigation_handle->IsSameDocument() || expected_main_view_request) {
     // In-page navigations, as well as the main view request can be ignored.
     if (expected_main_view_request) {
       content::RenderFrameHost* render_frame_host =
           navigation_handle->GetRenderFrameHost();
       CHECK_EQ(0, render_frame_host->GetEnabledBindings());
 
       // Add mojo service for JavaScript functionality. This is the receiving
       // end of this particular service.
@@ skipping 134 matching lines @@
   if (kViewerCssPath == path) {
     return "text/css";
   } else if (kViewerLoadingImagePath == path) {
     return "image/svg+xml";
   }
   return "text/html";
 }
 
 bool DomDistillerViewerSource::ShouldServiceRequest(
     const net::URLRequest* request) const {
-  return request->url().SchemeIs(scheme_.c_str());
+  return request->url().SchemeIs(scheme_);
 }
 
 // TODO(nyquist): Start tracking requests using this method.
 void DomDistillerViewerSource::WillServiceRequest(
     const net::URLRequest* request,
     std::string* path) const {
 }
 
 std::string DomDistillerViewerSource::GetContentSecurityPolicyStyleSrc()
     const {
   return "style-src 'self' https://fonts.googleapis.com;";
 }
 
 std::string DomDistillerViewerSource::GetContentSecurityPolicyChildSrc() const {
   return "child-src *;";
 }
 
 }  // namespace dom_distiller