Move toolbar_model_{impl,delegate}.{cc,h} to components/toolbar.

components/toolbar/toolbar_model_delegate.h

 // 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.
 
-#ifndef CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_DELEGATE_H_
-#define CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_DELEGATE_H_
+#ifndef COMPONENTS_TOOLBAR_TOOLBAR_MODEL_DELEGATE_H_
+#define COMPONENTS_TOOLBAR_TOOLBAR_MODEL_DELEGATE_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
 #include "components/security_state/security_state_model.h"
 
 class GURL;
 
-namespace content {
-class WebContents;
-}
-
 namespace net {
 class X509Certificate;
 }
 
 // Delegate which is used by ToolbarModel class.
 class ToolbarModelDelegate {
  public:
   using SecurityLevel = security_state::SecurityStateModel::SecurityLevel;
 
   // Returns the value to use for the Accept-Languages HTTP header when making
@@ skipping 24 matching lines @@
   // page has a security level of |security_level|.
   virtual base::string16 GetSearchTerms(SecurityLevel security_level) const = 0;
 
   // Returns the certificate for the current navigation entry.
   virtual scoped_refptr<net::X509Certificate> GetCertificate() const = 0;
 
  protected:
   virtual ~ToolbarModelDelegate() {}
 };
 
-#endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_DELEGATE_H_
+#endif  // COMPONENTS_TOOLBAR_TOOLBAR_MODEL_DELEGATE_H_