Reload favicon from HTTP cache on Ctrl+Refresh

chrome/browser/android/shortcut_helper.cc

 // 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.
 
 #include "chrome/browser/android/shortcut_helper.h"
 
 #include <jni.h>
 #include <limits>
 
 #include "base/android/jni_android.h"
@@ skipping 113 matching lines @@
   shortcut_info_.UpdateFromManifest(manifest);
 
   GURL icon_src = ManifestIconSelector::FindBestMatchingIcon(
       manifest.icons,
       kPreferredIconSizeInDp,
       gfx::Screen::GetScreenFor(web_contents()->GetNativeView()));
   if (icon_src.is_valid()) {
     web_contents()->DownloadImage(icon_src,
                                   false,
                                   preferred_icon_size_in_px_,
+                                  blink::WebURLRequest::UseProtocolCachePolicy,
                                   base::Bind(&ShortcutHelper::OnDidDownloadIcon,
                                              weak_ptr_factory_.GetWeakPtr()));
     manifest_icon_status_ = MANIFEST_ICON_STATUS_FETCHING;
   }
 
   // The ShortcutHelper is now able to notify its Java counterpart that it is
   // initialized. OnInitialized method is not conceptually part of getting the
   // manifest data but it happens that the initialization is finalized when
   // these data are available.
   JNIEnv* env = base::android::AttachCurrentThread();
@@ skipping 185 matching lines @@
       base::android::GetApplicationContext(),
       java_url.obj(),
       java_title.obj(),
       java_bitmap.obj(),
       r_value,
       g_value,
       b_value,
       info.display == content::Manifest::DISPLAY_MODE_STANDALONE,
       info.orientation);
 }