A new copy of the old system monitor changelist.

chrome/browser/profile_manager.cc

Index: chrome/browser/profile_manager.cc
===================================================================
--- chrome/browser/profile_manager.cc	(revision 6119)
+++ chrome/browser/profile_manager.cc	(working copy)
@@ -21,6 +21,8 @@
 #include "chrome/common/logging_chrome.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/pref_service.h"
+#include "net/url_request/url_request_job.h"
+#include "net/url_request/url_request_job_tracker.h"
 
 #include "generated_resources.h"
 
@@ -39,9 +41,16 @@
 }
 
 ProfileManager::ProfileManager() {
+  base::SystemMonitor* monitor = base::SystemMonitor::Get();
+  if (monitor)
+    monitor->AddObserver(this);
 }
 
 ProfileManager::~ProfileManager() {
+  base::SystemMonitor* monitor = base::SystemMonitor::Get();
+  if (monitor)
+    monitor->RemoveObserver(this);
+
   // Destroy all profiles that we're keeping track of.
   for (ProfileVector::const_iterator iter = profiles_.begin();
        iter != profiles_.end(); ++iter) {
@@ -215,7 +224,48 @@
   return NULL;
 }
 
+void ProfileManager::OnSuspend(base::SystemMonitor* monitor) {
+  DCHECK(CalledOnValidThread());
 
+  ProfileManager::const_iterator it = begin();
+  while(it != end()) {
+     g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
+       NewRunnableFunction(&ProfileManager::SuspendProfile, *it));
+     it++;
+  }
+}
+
+void ProfileManager::OnResume(base::SystemMonitor* monitor) {
+  DCHECK(CalledOnValidThread());
+  ProfileManager::const_iterator it = begin();
+  while (it != end()) {
+    g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
+      NewRunnableFunction(&ProfileManager::ResumeProfile, *it));
+    it++;
+  }
+}
+
+void ProfileManager::SuspendProfile(Profile* profile) {
+  DCHECK(profile);
+  DCHECK(MessageLoop::current() ==
+    ChromeThread::GetMessageLoop(ChromeThread::IO));
+
+  URLRequestJobTracker::JobIterator it = g_url_request_job_tracker.begin();
+  for (;it != g_url_request_job_tracker.end(); ++it)
+    (*it)->Kill();
+
+  profile->GetRequestContext()->http_transaction_factory()->Suspend(true);
+}
+
+void ProfileManager::ResumeProfile(Profile* profile) {
+  DCHECK(profile);
+  DCHECK(MessageLoop::current() ==
+    ChromeThread::GetMessageLoop(ChromeThread::IO));
+  profile->GetRequestContext()->http_transaction_factory()->Suspend(false);
+}
+
+
+
 // static
 bool ProfileManager::IsProfile(const std::wstring& path) {
   std::wstring prefs_path = GetDefaultProfilePath(path);