Continue to clean c_str() calls.

content/browser/devtools/devtools_http_handler.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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <utility>
 
@@ skipping 503 matching lines @@
     SendJson(connection_id,
              net::HTTP_NOT_FOUND,
              NULL,
              "Malformed query: " + info.path);
     return;
   }
 
   if (command == "version") {
     base::DictionaryValue version;
     version.SetString("Protocol-Version",
-        DevToolsAgentHost::GetProtocolVersion().c_str());
+                      DevToolsAgentHost::GetProtocolVersion());
     version.SetString("WebKit-Version", GetWebKitVersion());
     version.SetString("Browser", product_name_);
     version.SetString("User-Agent", user_agent_);
     version.SetString("V8-Version", V8_VERSION_STRING);
 #if defined(OS_ANDROID)
     version.SetString("Android-Package",
         base::android::BuildInfo::GetInstance()->package_name());
 #endif
     SendJson(connection_id, net::HTTP_OK, &version, std::string());
     return;
@@ skipping 310 matching lines @@
   GURL favicon_url = agent_host->GetFaviconURL();
   if (favicon_url.is_valid())
     dictionary->SetString(kTargetFaviconUrlField, favicon_url.spec());
 
   if (!agent_host->IsAttached()) {
     dictionary->SetString(kTargetWebSocketDebuggerUrlField,
                           base::StringPrintf("ws://%s%s%s",
                                              host.c_str(),
                                              kPageUrlPrefix,
                                              id.c_str()));
-    std::string devtools_frontend_url = GetFrontendURLInternal(
-        id.c_str(),
-        host);
+    std::string devtools_frontend_url = GetFrontendURLInternal(id, host);
     dictionary->SetString(
         kTargetDevtoolsFrontendUrlField, devtools_frontend_url);
   }
 
   return dictionary;
 }
 
 }  // namespace content