Use persistent memory for receiving metrics from sub-processes.

content/browser/ppapi_plugin_process_host.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/ppapi_plugin_process_host.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 312 matching lines @@
   uint32_t base_permissions = info.permissions;
 
   // We don't have to do any whitelisting for APIs in this process host, so
   // don't bother passing a browser context or document url here.
   if (GetContentClient()->browser()->IsPluginAllowedToUseDevChannelAPIs(
           NULL, GURL()))
     base_permissions |= ppapi::PERMISSION_DEV_CHANNEL;
   permissions_ = ppapi::PpapiPermissions::GetForCommandLine(base_permissions);
 
   process_.reset(new BrowserChildProcessHostImpl(
-      PROCESS_TYPE_PPAPI_PLUGIN, this, mojo_child_token_));
+      PROCESS_TYPE_PPAPI_PLUGIN, this, mojo_child_token_, 0, nullptr));
 
   host_impl_.reset(new BrowserPpapiHostImpl(this, permissions_, info.name,
                                             info.path, profile_data_directory,
                                             false /* in_process */,
                                             false /* external_plugin */));
 
   filter_ = new PepperMessageFilter();
   process_->AddFilter(filter_.get());
   process_->GetHost()->AddFilter(host_impl_->message_filter().get());
 #if defined(OS_WIN)
   process_->AddFilter(new DWriteFontProxyMessageFilter());
 #endif
 
   GetContentClient()->browser()->DidCreatePpapiPlugin(host_impl_.get());
 
   // Only request network status updates if the plugin has dev permissions.
   if (permissions_.HasPermission(ppapi::PERMISSION_DEV))
     network_observer_.reset(new PluginNetworkObserver(this));
 }
 
 PpapiPluginProcessHost::PpapiPluginProcessHost()
     : is_broker_(true),
       mojo_child_token_(mojo::edk::GenerateRandomToken()) {
   process_.reset(new BrowserChildProcessHostImpl(
-      PROCESS_TYPE_PPAPI_BROKER, this, mojo_child_token_));
+      PROCESS_TYPE_PPAPI_BROKER, this, mojo_child_token_, 0, nullptr));
 
   ppapi::PpapiPermissions permissions;  // No permissions.
   // The plugin name, path and profile data directory shouldn't be needed for
   // the broker.
   host_impl_.reset(new BrowserPpapiHostImpl(this, permissions,
                                             std::string(), base::FilePath(),
                                             base::FilePath(),
                                             false /* in_process */,
                                             false /* external_plugin */));
 }
@@ skipping 191 matching lines @@
   // sent_requests_ queue should be the one that the plugin just created.
   Client* client = sent_requests_.front();
   sent_requests_.pop();
 
   const ChildProcessData& data = process_->GetData();
   client->OnPpapiChannelOpened(channel_handle, base::GetProcId(data.handle),
                                data.id);
 }
 
 }  // namespace content