Add missing (and remove superfluous) 'explicit' from constructors.

webkit/tools/test_shell/simple_resource_loader_bridge.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.
 //
 // This file contains an implementation of the ResourceLoaderBridge class.
 // The class is implemented using net::URLRequest, meaning it is a "simple"
 // version that directly issues requests. The more complicated one used in the
 // browser uses IPC.
 //
 // Because net::URLRequest only provides an asynchronous resource loading API,
@@ skipping 873 matching lines @@
 
  private:
   ResourceLoaderBridge::SyncLoadResponse* result_;
   base::WaitableEvent event_;
 };
 
 //-----------------------------------------------------------------------------
 
 class ResourceLoaderBridgeImpl : public ResourceLoaderBridge {
  public:
-  ResourceLoaderBridgeImpl(
+  explicit ResourceLoaderBridgeImpl(
       const webkit_glue::ResourceLoaderBridge::RequestInfo& request_info)
       : params_(new RequestParams),
         proxy_(NULL) {
     params_->method = request_info.method;
     params_->url = request_info.url;
     params_->first_party_for_cookies = request_info.first_party_for_cookies;
     params_->referrer = request_info.referrer;
     params_->referrer_policy = request_info.referrer_policy;
     params_->headers = request_info.headers;
     params_->load_flags = request_info.load_flags;
@@ skipping 245 matching lines @@
   if (!g_file_over_http_mappings)
     g_file_over_http_mappings = new FileOverHTTPPathMappings();
   g_file_over_http_mappings->AddMapping(file_path_template, http_prefix);
 }
 
 // static
 webkit_glue::ResourceLoaderBridge* SimpleResourceLoaderBridge::Create(
     const webkit_glue::ResourceLoaderBridge::RequestInfo& request_info) {
   return new ResourceLoaderBridgeImpl(request_info);
 }