Use PluginPrefs in ChromePluginServiceFilter to check whether a plugin is enabled.

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"
 #include "base/version.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/plugin_service.h"
 #include "content/common/plugin_messages.h"
 #include "webkit/plugins/npapi/plugin_group.h"
 #include "webkit/plugins/npapi/plugin_list.h"
 
 #if defined(OS_POSIX)
 #include "ipc/ipc_channel_posix.h"
 #endif
 
 namespace {
 
 const char* kFlashMimeType = "application/x-shockwave-flash";
 // The minimum Flash Player version that implements NPP_ClearSiteData.
 const char* kMinFlashVersion = "10.3";
 const int64 kRemovalTimeoutMs = 10000;
 const uint64 kClearAllData = 0;
 
 }  // namespace
 
-PluginDataRemover::PluginDataRemover()
+PluginDataRemover::PluginDataRemover(Profile* profile)
     : mime_type_(kFlashMimeType),
       is_removing_(false),
+      context_(profile->GetResourceContext()),
       event_(new base::WaitableEvent(true, false)),
       channel_(NULL) {
 }
 
 PluginDataRemover::~PluginDataRemover() {
   DCHECK(!is_removing_);
   if (channel_)
     BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE, channel_);
 }
 
 base::WaitableEvent* PluginDataRemover::StartRemoving(base::Time begin_time) {
   DCHECK(!is_removing_);
   remove_start_time_ = base::Time::Now();
   begin_time_ = begin_time;
 
   is_removing_ = true;
 
   // Balanced in OnChannelOpened or OnError. Exactly one them will eventually be
   // called, so we need to keep this object around until then.
   AddRef();
   PluginService::GetInstance()->OpenChannelToNpapiPlugin(
-      0, 0, GURL(), mime_type_, this);
+      0, 0, GURL(), GURL(), mime_type_, this);
 
   BrowserThread::PostDelayedTask(
       BrowserThread::IO,
       FROM_HERE,
       NewRunnableMethod(this, &PluginDataRemover::OnTimeout),
       kRemovalTimeoutMs);
 
   return event_.get();
 }
 
@@ skipping 11 matching lines @@
 
 int PluginDataRemover::ID() {
   // Generate a unique identifier for this PluginProcessHostClient.
   return ChildProcessInfo::GenerateChildProcessUniqueId();
 }
 
 bool PluginDataRemover::OffTheRecord() {
   return false;
 }
 
+const content::ResourceContext& PluginDataRemover::GetResourceContext() {
+  return context_;
+}
+
 void PluginDataRemover::SetPluginInfo(
     const webkit::npapi::WebPluginInfo& info) {
 }
 
 void PluginDataRemover::OnChannelOpened(const IPC::ChannelHandle& handle) {
   ConnectToChannel(handle);
   // Balancing the AddRef call in StartRemoving.
   Release();
 }
 
@@ skipping 79 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;
 }