predictors: Introduce GlowplugPredictor.

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
index 0d054315e7ee9043c94d9f8117074a3128cb23bd..2d315132bd008d97537e80c0792ed19773ca3c78 100644
--- a/chrome/browser/predictors/resource_prefetch_predictor_android.cc
+++ b/chrome/browser/predictors/resource_prefetch_predictor_android.cc
@@ -6,8 +6,10 @@
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
-#include "chrome/browser/predictors/resource_prefetch_predictor.h"
-#include "chrome/browser/predictors/resource_prefetch_predictor_factory.h"
+
+#include "chrome/browser/predictors/glowplug_predictor.h"
+#include "chrome/browser/predictors/glowplug_predictor_factory.h"
+
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_android.h"
 #include "jni/ResourcePrefetchPredictor_jni.h"
@@ -18,13 +20,12 @@ using base::android::ScopedJavaLocalRef;
 namespace predictors {
 
 namespace {
-ResourcePrefetchPredictor* ResourcePrefetchPredictorFromProfileAndroid(
+GlowplugPredictor* GlowplugPredictorFromProfileAndroid(
     const JavaParamRef<jobject>& j_profile) {
   Profile* profile = ProfileAndroid::FromProfileAndroid(j_profile);
   if (!profile)
     return nullptr;
-  return ResourcePrefetchPredictorFactory::GetInstance()->GetForProfile(
-      profile);
+  return GlowplugPredictorFactory::GetInstance()->GetForProfile(profile);
 }
 
 }  // namespace
@@ -32,10 +33,10 @@ ResourcePrefetchPredictor* ResourcePrefetchPredictorFromProfileAndroid(
 static jboolean StartInitialization(JNIEnv* env,
                                     const JavaParamRef<jclass>& clazz,
                                     const JavaParamRef<jobject>& j_profile) {
-  auto* predictor = ResourcePrefetchPredictorFromProfileAndroid(j_profile);
-  if (!predictor)
+  auto* glowplug = GlowplugPredictorFromProfileAndroid(j_profile);
+  if (!glowplug)
     return false;
-  predictor->StartInitialization();
+  glowplug->resource_prefetch_predictor()->StartInitialization();
   return true;
 }
 
@@ -43,11 +44,11 @@ static jboolean StartPrefetching(JNIEnv* env,
                                  const JavaParamRef<jclass>& clazz,
                                  const JavaParamRef<jobject>& j_profile,
                                  const JavaParamRef<jstring>& j_url) {
-  auto* predictor = ResourcePrefetchPredictorFromProfileAndroid(j_profile);
-  if (!predictor)
+  auto* glowplug = GlowplugPredictorFromProfileAndroid(j_profile);
+  if (!glowplug)
     return false;
   GURL url = GURL(base::android::ConvertJavaStringToUTF16(env, j_url));
-  predictor->StartPrefetching(url, PrefetchOrigin::EXTERNAL);
+  glowplug->PrepareForPageLoad(url, HintOrigin::EXTERNAL);
 
   return true;
 }
@@ -56,11 +57,11 @@ static jboolean StopPrefetching(JNIEnv* env,
                                 const JavaParamRef<jclass>& clazz,
                                 const JavaParamRef<jobject>& j_profile,
                                 const JavaParamRef<jstring>& j_url) {
-  auto* predictor = ResourcePrefetchPredictorFromProfileAndroid(j_profile);
-  if (!predictor)
+  auto* glowplug = GlowplugPredictorFromProfileAndroid(j_profile);
+  if (!glowplug)
     return false;
   GURL url = GURL(base::android::ConvertJavaStringToUTF16(env, j_url));
-  predictor->StopPrefetching(url);
+  glowplug->CancelPageLoadHint(url);
 
   return true;
 }