Add hooks to get incognito profile.

chrome/browser/profiles/profile_android.h

 // Copyright 2013 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_PROFILES_PROFILE_ANDROID_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_ANDROID_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
 #include "base/compiler_specific.h"
 #include "base/supports_user_data.h"
 
 class Profile;
 
 // Android wrapper around profile that provides safer passage from java and
 // back to native.
 class ProfileAndroid : public base::SupportsUserData::Data {
  public:
   static ProfileAndroid* FromProfile(Profile* profile);
   static Profile* FromProfileAndroid(jobject obj);
   static bool RegisterProfileAndroid(JNIEnv* env);
 
   static jobject GetLastUsedProfile(JNIEnv* env, jclass clazz);
 
+  // Return the incognito profile.
+  //
+  // WARNING: This will create the OffTheRecord profile if it doesn't already
+  // exist. If this isn't what you want, you need to check
+  // HasOffTheRecordProfile() first.
+  base::android::ScopedJavaLocalRef<jobject> GetOffTheRecordProfile(
+      JNIEnv* env, jobject obj);
+
+  // Return whether an off the record profile exists.
+  jboolean HasOffTheRecordProfile(JNIEnv* env, jobject obj);
+
   explicit ProfileAndroid(Profile* profile);
   virtual ~ProfileAndroid();
 
   base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
 
  private:
   Profile* profile_;  // weak
   base::android::ScopedJavaGlobalRef<jobject> obj_;
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_ANDROID_H_