Add an interface for Flash to clear its data.

content/plugin/plugin_channel.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/plugin/plugin_channel.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
@@ skipping 240 matching lines @@
   *route_id = GenerateRouteID();
 }
 
 int PluginChannel::GenerateRouteID() {
   static int last_id = 0;
   return ++last_id;
 }
 
 void PluginChannel::OnClearSiteData(const std::string& site,
                                     uint64 flags,
-                                    base::Time begin_time) {
+                                    uint64 max_age) {
   bool success = false;
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   FilePath path = command_line->GetSwitchValuePath(switches::kPluginPath);
   scoped_refptr<webkit::npapi::PluginLib> plugin_lib(
       webkit::npapi::PluginLib::CreatePluginLib(path));
   if (plugin_lib.get()) {
     NPError err = plugin_lib->NP_Initialize();
     if (err == NPERR_NO_ERROR) {
       const char* site_str = site.empty() ? NULL : site.c_str();
-      uint64 max_age;
-      if (begin_time > base::Time()) {
-        base::TimeDelta delta = base::Time::Now() - begin_time;
-        max_age = delta.InSeconds();
-      } else {
-        max_age = kuint64max;
-      }
       err = plugin_lib->NP_ClearSiteData(site_str, flags, max_age);
       std::string site_name =
           site.empty() ? "NULL"
                        : base::StringPrintf("\"%s\"", site_str);
       VLOG(1) << "NPP_ClearSiteData(" << site_name << ", " << flags << ", "
               << max_age << ") returned " << err;
       success = (err == NPERR_NO_ERROR);
     }
   }
   Send(new PluginHostMsg_ClearSiteDataResult(success));
@@ skipping 39 matching lines @@
 bool PluginChannel::Init(base::MessageLoopProxy* ipc_message_loop,
                          bool create_pipe_now,
                          base::WaitableEvent* shutdown_event) {
   if (!NPChannelBase::Init(ipc_message_loop, create_pipe_now, shutdown_event))
     return false;
 
   channel_->AddFilter(filter_.get());
   return true;
 }