android: move ResourcePrefetchPredictor usage to LoadingPredictor.

chrome/browser/predictors/resource_prefetch_predictor_android.cc

Index: chrome/browser/predictors/resource_prefetch_predictor_android.cc
diff --git a/chrome/browser/predictors/resource_prefetch_predictor_android.cc b/chrome/browser/predictors/resource_prefetch_predictor_android.cc
deleted file mode 100644
index b0b2f969707d20d25cfb5f13fc8d81adca518ba9..0000000000000000000000000000000000000000
--- a/chrome/browser/predictors/resource_prefetch_predictor_android.cc
+++ /dev/null
@@ -1,73 +0,0 @@
-// Copyright 2016 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/predictors/resource_prefetch_predictor_android.h"
-
-#include "base/android/jni_android.h"
-#include "base/android/jni_string.h"
-
-#include "chrome/browser/predictors/loading_predictor.h"
-#include "chrome/browser/predictors/loading_predictor_factory.h"
-
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_android.h"
-#include "jni/ResourcePrefetchPredictor_jni.h"
-
-using base::android::JavaParamRef;
-using base::android::ScopedJavaLocalRef;
-
-namespace predictors {
-
-namespace {
-LoadingPredictor* LoadingPredictorFromProfileAndroid(
-    const JavaParamRef<jobject>& j_profile) {
-  Profile* profile = ProfileAndroid::FromProfileAndroid(j_profile);
-  if (!profile)
-    return nullptr;
-  return LoadingPredictorFactory::GetInstance()->GetForProfile(profile);
-}
-
-}  // namespace
-
-static jboolean StartInitialization(JNIEnv* env,
-                                    const JavaParamRef<jclass>& clazz,
-                                    const JavaParamRef<jobject>& j_profile) {
-  auto* loading_predictor = LoadingPredictorFromProfileAndroid(j_profile);
-  if (!loading_predictor)
-    return false;
-  loading_predictor->resource_prefetch_predictor()->StartInitialization();
-  return true;
-}
-
-static jboolean StartPrefetching(JNIEnv* env,
-                                 const JavaParamRef<jclass>& clazz,
-                                 const JavaParamRef<jobject>& j_profile,
-                                 const JavaParamRef<jstring>& j_url) {
-  auto* loading_predictor = LoadingPredictorFromProfileAndroid(j_profile);
-  if (!loading_predictor)
-    return false;
-  GURL url = GURL(base::android::ConvertJavaStringToUTF16(env, j_url));
-  loading_predictor->PrepareForPageLoad(url, HintOrigin::EXTERNAL);
-
-  return true;
-}
-
-static jboolean StopPrefetching(JNIEnv* env,
-                                const JavaParamRef<jclass>& clazz,
-                                const JavaParamRef<jobject>& j_profile,
-                                const JavaParamRef<jstring>& j_url) {
-  auto* loading_predictor = LoadingPredictorFromProfileAndroid(j_profile);
-  if (!loading_predictor)
-    return false;
-  GURL url = GURL(base::android::ConvertJavaStringToUTF16(env, j_url));
-  loading_predictor->CancelPageLoadHint(url);
-
-  return true;
-}
-
-bool RegisterResourcePrefetchPredictor(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-}  // namespace predictors