Make pull to refresh not perform regular reload (with cache revalidation)

content/public/android/java/src/org/chromium/content/browser/framehost/NavigationControllerImpl.java

 // 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.
 
 package org.chromium.content.browser.framehost;
 
 import android.graphics.Bitmap;
 
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
@@ skipping 96 matching lines @@
     }
 
     @Override
     public void reload(boolean checkForRepost) {
         if (mNativeNavigationControllerAndroid != 0) {
             nativeReload(mNativeNavigationControllerAndroid, checkForRepost);
         }
     }
 
     @Override
+    public void reloadToRefreshContent(boolean checkForRepost) {
+        if (mNativeNavigationControllerAndroid != 0) {
+            nativeReloadToRefreshContent(mNativeNavigationControllerAndroid, checkForRepost);
+        }
+    }
+
+    @Override
     public void reloadIgnoringCache(boolean checkForRepost) {
         if (mNativeNavigationControllerAndroid != 0) {
             nativeReloadIgnoringCache(mNativeNavigationControllerAndroid, checkForRepost);
         }
     }
 
     @Override
     public void reloadDisableLoFi(boolean checkForRepost) {
         if (mNativeNavigationControllerAndroid != 0) {
             nativeReloadDisableLoFi(mNativeNavigationControllerAndroid, checkForRepost);
@@ skipping 169 matching lines @@
             long nativeNavigationControllerAndroid, int offset);
     private native void nativeGoBack(long nativeNavigationControllerAndroid);
     private native void nativeGoForward(long nativeNavigationControllerAndroid);
     private native void nativeGoToOffset(long nativeNavigationControllerAndroid, int offset);
     private native void nativeGoToNavigationIndex(
             long nativeNavigationControllerAndroid, int index);
     private native void nativeCancelPendingReload(long nativeNavigationControllerAndroid);
     private native void nativeContinuePendingReload(long nativeNavigationControllerAndroid);
     private native void nativeReload(long nativeNavigationControllerAndroid,
             boolean checkForRepost);
+    private native void nativeReloadToRefreshContent(long nativeNavigationControllerAndroid,
+            boolean checkForRepost);
     private native void nativeReloadIgnoringCache(long nativeNavigationControllerAndroid,
             boolean checkForRepost);
     private native void nativeReloadDisableLoFi(long nativeNavigationControllerAndroid,
             boolean checkForRepost);
     private native void nativeLoadUrl(long nativeNavigationControllerAndroid, String url,
             int loadUrlType, int transitionType, String referrerUrl, int referrerPolicy,
             int uaOverrideOption, String extraHeaders, byte[] postData, String baseUrlForDataUrl,
             String virtualUrlForDataUrl, boolean canLoadLocalResources, boolean isRendererInitiated,
             boolean shouldReplaceCurrentEntry);
     private native void nativeClearHistory(long nativeNavigationControllerAndroid);
@@ skipping 14 matching lines @@
     private native boolean nativeRemoveEntryAtIndex(long nativeNavigationControllerAndroid,
             int index);
     private native boolean nativeCanCopyStateOver(long nativeNavigationControllerAndroid);
     private native boolean nativeCanPruneAllButLastCommitted(
             long nativeNavigationControllerAndroid);
     private native void nativeCopyStateFrom(long nativeNavigationControllerAndroid,
             long sourceNavigationControllerAndroid);
     private native void nativeCopyStateFromAndPrune(long nativeNavigationControllerAndroid,
             long sourceNavigationControllerAndroid, boolean replaceEntry);
 }