Revert of Remove deprecated methods from Pickle.

content/browser/web_contents/web_contents_view_aura.cc

 // Copyright (c) 2012 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 "content/browser/web_contents/web_contents_view_aura.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/metrics/histogram.h"
@@ skipping 311 matching lines @@
   }
 }
 
 // Reads file system files from the pickle.
 bool ReadFileSystemFilesFromPickle(
     const Pickle& pickle,
     std::vector<DropData::FileSystemFileInfo>* file_system_files) {
   PickleIterator iter(pickle);
 
   size_t num_files = 0;
-  if (!iter.ReadSizeT(&num_files))
+  if (!pickle.ReadSizeT(&iter, &num_files))
     return false;
   file_system_files->resize(num_files);
 
   for (size_t i = 0; i < num_files; ++i) {
     std::string url_string;
     int64 size = 0;
-    if (!iter.ReadString(&url_string) || !iter.ReadInt64(&size))
+    if (!pickle.ReadString(&iter, &url_string) ||
+        !pickle.ReadInt64(&iter, &size))
       return false;
 
     GURL url(url_string);
     if (!url.is_valid())
       return false;
 
     (*file_system_files)[i].url = url;
     (*file_system_files)[i].size = size;
   }
   return true;
@@ skipping 1375 matching lines @@
   BrowserAccessibilityManager* manager =
       web_contents_->GetRootBrowserAccessibilityManager();
   if (!manager)
     return nullptr;
 
   return manager->GetRoot()->ToBrowserAccessibilityWin();
 }
 #endif
 
 }  // namespace content