Remove unused Interests code.

chrome/browser/interests/android/interests_service.cc

-// Copyright 2015 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.
-
-#include "chrome/browser/interests/android/interests_service.h"
-
-#include <stddef.h>
-#include <utility>
-
-#include "base/android/jni_android.h"
-#include "base/android/jni_array.h"
-#include "base/android/jni_string.h"
-#include "base/android/scoped_java_ref.h"
-#include "chrome/browser/interests/interests_fetcher.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_android.h"
-#include "jni/InterestsService_jni.h"
-
-using base::android::AttachCurrentThread;
-using base::android::ConvertUTF8ToJavaString;
-using base::android::ScopedJavaGlobalRef;
-using base::android::ScopedJavaLocalRef;
-
-namespace {
-
-ScopedJavaLocalRef<jobjectArray> ConvertInterestsToJava(
-    JNIEnv* env,
-    std::unique_ptr<std::vector<InterestsFetcher::Interest>> interests) {
-  if (!interests)
-    return ScopedJavaLocalRef<jobjectArray>();
-
-  ScopedJavaLocalRef<jobjectArray> j_interests =
-      Java_InterestsService_createInterestsArray(env, interests->size());
-
-  for (size_t i = 0; i != interests->size(); i++) {
-    const InterestsFetcher::Interest& interest = (*interests)[i];
-    ScopedJavaLocalRef<jobject> j_interest =
-        Java_InterestsService_createInterest(
-            env,
-            ConvertUTF8ToJavaString(env, interest.name).obj(),
-            ConvertUTF8ToJavaString(env, interest.image_url.spec()).obj(),
-            interest.relevance);
-
-    env->SetObjectArrayElement(j_interests.obj(), i, j_interest.obj());
-  }
-
-  return j_interests;
-}
-
-}  // namespace
-
-InterestsService::InterestsService(Profile* profile)
-    : profile_(profile), weak_ptr_factory_(this) {}
-
-InterestsService::~InterestsService() {}
-
-void InterestsService::Destroy(JNIEnv* env, const JavaParamRef<jobject>& obj) {
-  delete this;
-}
-
-void InterestsService::GetInterests(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& obj,
-    const JavaParamRef<jobject>& j_callback_obj) {
-  ScopedJavaGlobalRef<jobject> j_callback(env, j_callback_obj);
-
-  std::unique_ptr<InterestsFetcher> fetcher =
-      InterestsFetcher::CreateFromProfile(profile_);
-  InterestsFetcher* fetcher_raw_ptr = fetcher.get();
-
-  InterestsFetcher::InterestsCallback callback = base::Bind(
-      &InterestsService::OnObtainedInterests, weak_ptr_factory_.GetWeakPtr(),
-      base::Passed(std::move(fetcher)), j_callback);
-
-  fetcher_raw_ptr->FetchInterests(callback);
-}
-
-// static
-bool InterestsService::Register(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-void InterestsService::OnObtainedInterests(
-    std::unique_ptr<InterestsFetcher> fetcher,
-    const ScopedJavaGlobalRef<jobject>& j_callback,
-    std::unique_ptr<std::vector<InterestsFetcher::Interest>> interests) {
-  JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jobjectArray> j_interests =
-      ConvertInterestsToJava(env, std::move(interests));
-  Java_GetInterestsCallback_onInterestsAvailable(env,
-                                                 j_callback.obj(),
-                                                 j_interests.obj());
-}
-
-static jlong Init(JNIEnv* env,
-                  const JavaParamRef<jobject>& jobj,
-                  const JavaParamRef<jobject>& jprofile) {
-  InterestsService* interests_service =
-      new InterestsService(ProfileAndroid::FromProfileAndroid(jprofile));
-  return reinterpret_cast<intptr_t>(interests_service);
-}