Revert of Ntp: restore scroll position.

content/browser/frame_host/navigation_controller_android.cc

Index: content/browser/frame_host/navigation_controller_android.cc
diff --git a/content/browser/frame_host/navigation_controller_android.cc b/content/browser/frame_host/navigation_controller_android.cc
index 8c406e9958eb22afce803458a0345a9ff0ce7e9d..670343abd6d70cd66b6382fb71165a0b8aa73407 100644
--- a/content/browser/frame_host/navigation_controller_android.cc
+++ b/content/browser/frame_host/navigation_controller_android.cc
@@ -9,7 +9,6 @@
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/callback.h"
-#include "base/strings/string16.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
 #include "content/public/browser/browser_context.h"
@@ -421,32 +420,4 @@
       replace_entry);
 }
 
-ScopedJavaLocalRef<jstring> NavigationControllerAndroid::GetEntryExtraData(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& obj,
-    jint index,
-    const JavaParamRef<jstring>& jkey) {
-  if (index < 0 || index >= navigation_controller_->GetEntryCount())
-    return ScopedJavaLocalRef<jstring>();
-
-  std::string key = base::android::ConvertJavaStringToUTF8(env, jkey);
-  base::string16 value;
-  navigation_controller_->GetEntryAtIndex(index)->GetExtraData(key, &value);
-  return ConvertUTF16ToJavaString(env, value);
-}
-
-void NavigationControllerAndroid::SetEntryExtraData(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& obj,
-    jint index,
-    const JavaParamRef<jstring>& jkey,
-    const JavaParamRef<jstring>& jvalue) {
-  if (index < 0 || index >= navigation_controller_->GetEntryCount())
-    return;
-
-  std::string key = base::android::ConvertJavaStringToUTF8(env, jkey);
-  base::string16 value = base::android::ConvertJavaStringToUTF16(env, jvalue);
-  navigation_controller_->GetEntryAtIndex(index)->SetExtraData(key, value);
-}
-
 }  // namespace content