Revert of Gamepad API support for chrome on android

content/browser/gamepad/gamepad_provider.cc

Index: content/browser/gamepad/gamepad_provider.cc
diff --git a/content/browser/gamepad/gamepad_provider.cc b/content/browser/gamepad/gamepad_provider.cc
index 16976d965385f4d7ba005e1779d6a6d36e132b64..8e7644ef46ec4c40fa1729c59a631a79bfb7f1c1 100644
--- a/content/browser/gamepad/gamepad_provider.cc
+++ b/content/browser/gamepad/gamepad_provider.cc
@@ -131,10 +131,6 @@
   // On Linux, the data fetcher needs to watch file descriptors, so the message
   // loop needs to be a libevent loop.
   const base::MessageLoop::Type kMessageLoopType = base::MessageLoop::TYPE_IO;
-#elif defined(OS_ANDROID)
-  // On Android, keeping a message loop of default type.
-  const base::MessageLoop::Type kMessageLoopType =
-      base::MessageLoop::TYPE_DEFAULT;
 #else
   // On Mac, the data fetcher uses IOKit which depends on CFRunLoop, so the
   // message loop needs to be a UI-type loop. On Windows it must be a UI loop