Make kClearSiteDataOnExit work correctly for Flash in multi-profile.

chrome/browser/plugin_data_remover.cc

 // Copyright (c) 2011 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/plugin_data_remover.h"
 
 #include "base/command_line.h"
 #include "base/message_loop_proxy.h"
 #include "base/metrics/histogram.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 64 matching lines @@
   UMA_HISTOGRAM_TIMES("ClearPluginData.time_at_shutdown",
                       base::Time::Now() - remove_start_time_);
   DCHECK(result) << "Error waiting for plugin process";
 }
 
 int PluginDataRemover::ID() {
   // Generate a unique identifier for this PluginProcessHostClient.
   return ChildProcessInfo::GenerateChildProcessUniqueId();
 }
 
+bool PluginDataRemover::SaveLocalState() {
+  return false;
+}
+
 bool PluginDataRemover::OffTheRecord() {
   return false;
 }
 
 void PluginDataRemover::SetPluginInfo(
     const webkit::npapi::WebPluginInfo& info) {
 }
 
 void PluginDataRemover::OnChannelOpened(const IPC::ChannelHandle& handle) {
   ConnectToChannel(handle);
@@ skipping 83 matching lines @@
       webkit::npapi::PluginGroup::CreateVersionFromString(plugin.version));
   scoped_ptr<Version> min_version(Version::GetVersionFromString(
       CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
           switches::kMinClearSiteDataFlashVersion)));
   if (!min_version.get())
     min_version.reset(Version::GetVersionFromString(kMinFlashVersion));
   return webkit::npapi::IsPluginEnabled(plugin) &&
          version.get() &&
          min_version->CompareTo(*version) == -1;
 }