chrome: Cleanup class/struct forward declarations

chrome/browser/ui/android/tab_model/tab_model_jni_bridge.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_ANDROID_TAB_MODEL_TAB_MODEL_JNI_BRIDGE_H_
 #define CHROME_BROWSER_UI_ANDROID_TAB_MODEL_TAB_MODEL_JNI_BRIDGE_H_
 
 #include <jni.h>
 #include <vector>
 
 #include "base/android/jni_weak_ref.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "chrome/browser/ui/android/tab_model/tab_model.h"
 
-class Profile;
 class TabAndroid;
 
 namespace content {
 class WebContents;
 }
 
 // Bridges calls between the C++ and the Java TabModels. Functions in this
 // class should do little more than make calls out to the Java TabModel, which
 // is what actually stores Tabs.
 class TabModelJniBridge : public TabModel {
@@ skipping 41 matching lines @@
       const base::android::JavaParamRef<jobject>& obj);
 
  protected:
   JavaObjectWeakGlobalRef java_object_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TabModelJniBridge);
 };
 
 #endif  // CHROME_BROWSER_UI_ANDROID_TAB_MODEL_TAB_MODEL_JNI_BRIDGE_H_