Simplify threading in browser thread by making only ChromeThread deal with di...

chrome/browser/chromeos/cros_power_library.cc

Index: chrome/browser/chromeos/cros_power_library.cc
===================================================================
--- chrome/browser/chromeos/cros_power_library.cc	(revision 30037)
+++ chrome/browser/chromeos/cros_power_library.cc	(working copy)
@@ -18,12 +18,12 @@
 };
 
 CrosPowerLibrary::CrosPowerLibrary() : status_(chromeos::PowerStatus()) {
-  if (CrosLibrary::loaded()) {
-    MessageLoop* loop = ChromeThread::GetMessageLoop(ChromeThread::FILE);
-    if (loop)
-      loop->PostTask(FROM_HERE, NewRunnableMethod(this,
-          &CrosPowerLibrary::InitOnBackgroundThread));
-  }
+  if (!CrosLibrary::loaded())
+    return;
+
+  ChromeThread::PostTask(
+      ChromeThread::FILE, FROM_HERE,
+      NewRunnableMethod(this, &CrosPowerLibrary::InitOnBackgroundThread));
 }
 
 CrosPowerLibrary::~CrosPowerLibrary() {
@@ -91,10 +91,9 @@
 void CrosPowerLibrary::UpdatePowerStatus(const chromeos::PowerStatus& status) {
   // Make sure we run on UI thread.
   if (!ChromeThread::CurrentlyOn(ChromeThread::UI)) {
-    MessageLoop* loop = ChromeThread::GetMessageLoop(ChromeThread::UI);
-    if (loop)
-      loop->PostTask(FROM_HERE, NewRunnableMethod(this,
-          &CrosPowerLibrary::UpdatePowerStatus, status));
+    ChromeThread::PostTask(
+        ChromeThread::UI, FROM_HERE,
+        NewRunnableMethod(this, &CrosPowerLibrary::UpdatePowerStatus, status));
     return;
   }