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

webkit/tools/test_shell/test_navigation_controller.h

 // Copyright (c) 2011 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.
 
 #ifndef WEBKIT_TOOLS_TEST_SHELL_TEST_NAVIGATION_CONTROLLER_H_
 #define WEBKIT_TOOLS_TEST_SHELL_TEST_NAVIGATION_CONTROLLER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDataSource.h"
 
 class GURL;
 class TestShell;
 
 // Associated with browser-initated navigations to hold tracking data.
 class TestShellExtraData : public WebKit::WebDataSource::ExtraData {
  public:
-  TestShellExtraData(int32 pending_page_id)
+  explicit TestShellExtraData(int32 pending_page_id)
       : pending_page_id(pending_page_id),
         request_committed(false) {
   }
 
   // Contains the page_id for this navigation or -1 if there is none yet.
   int32 pending_page_id;
 
   // True if we have already processed the "DidCommitLoad" event for this
   // request.  Used by session history.
   bool request_committed;
@@ skipping 38 matching lines @@
 
   string16 target_frame_;
 
   DISALLOW_COPY_AND_ASSIGN(TestNavigationEntry);
 };
 
 // Test shell's NavigationController.  The goal is to be as close to the Chrome
 // version as possible.
 class TestNavigationController {
  public:
-  TestNavigationController(TestShell* shell);
+  explicit TestNavigationController(TestShell* shell);
   ~TestNavigationController();
 
   void Reset();
 
   // Causes the controller to reload the current (or pending) entry.
   void Reload();
 
   // Causes the controller to go to the specified offset from current.  Does
   // nothing if out of bounds.
   void GoToOffset(int offset);
@@ skipping 81 matching lines @@
   // new entry (created by LoadURL).
   int pending_entry_index_;
 
   TestShell* shell_;
   int max_page_id_;
 
   DISALLOW_COPY_AND_ASSIGN(TestNavigationController);
 };
 
 #endif // WEBKIT_TOOLS_TEST_SHELL_TEST_NAVIGATION_CONTROLLER_H_