Remove keep-alive impulse IPCs from NaCl modules.

extensions/shell/browser/shell_nacl_browser_delegate.cc

 // Copyright 2014 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 "extensions/shell/browser/shell_nacl_browser_delegate.h"
 
 #include <string>
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
@@ skipping 12 matching lines @@
 #include "extensions/common/extension.h"
 #include "extensions/common/url_pattern.h"
 #include "extensions/shell/common/version.h"  // Generated file.
 #include "url/gurl.h"
 
 using content::BrowserContext;
 using content::BrowserThread;
 using content::BrowserPpapiHost;
 
 namespace extensions {
-namespace {
-
-// Handles an extension's NaCl process transitioning in or out of idle state by
-// relaying the state to the extension's process manager. See Chrome's
-// NaClBrowserDelegateImpl for another example.
-void OnKeepaliveOnUIThread(
-    const BrowserPpapiHost::OnKeepaliveInstanceData& instance_data,
-    const base::FilePath& profile_data_directory) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  // Only one instance will exist for NaCl embeds, even when more than one
-  // embed of the same plugin exists on the same page.
-  DCHECK(instance_data.size() == 1);
-  if (instance_data.size() < 1)
-    return;
-
-  ProcessManager::OnKeepaliveFromPlugin(instance_data[0].render_process_id,
-                                        instance_data[0].render_frame_id,
-                                        instance_data[0].document_url.host());
-}
-
-// Calls OnKeepaliveOnUIThread on UI thread.
-void OnKeepalive(const BrowserPpapiHost::OnKeepaliveInstanceData& instance_data,
-                 const base::FilePath& profile_data_directory) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  BrowserThread::PostTask(
-      BrowserThread::UI,
-      FROM_HERE,
-      base::Bind(
-          &OnKeepaliveOnUIThread, instance_data, profile_data_directory));
-}
-
-}  // namespace
 
 ShellNaClBrowserDelegate::ShellNaClBrowserDelegate(BrowserContext* context)
     : browser_context_(context) {
   DCHECK(browser_context_);
 }
 
 ShellNaClBrowserDelegate::~ShellNaClBrowserDelegate() {
 }
 
 void ShellNaClBrowserDelegate::ShowMissingArchInfobar(int render_process_id,
@@ skipping 99 matching lines @@
 
   // GetFilePath is a blocking function call.
   const base::FilePath resource_file_path = resource.GetFilePath();
   if (resource_file_path.empty())
     return false;
 
   *file_path = resource_file_path;
   return true;
 }
 
-content::BrowserPpapiHost::OnKeepaliveCallback
-ShellNaClBrowserDelegate::GetOnKeepaliveCallback() {
-  return base::Bind(&OnKeepalive);
-}
-
 bool ShellNaClBrowserDelegate::IsNonSfiModeAllowed(
     const base::FilePath& profile_directory,
     const GURL& manifest_url) {
   return false;
 }
 
 }  // namespace extensions