Revert of Add Android implementation of navigator.getInstalledRelatedApps.

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index e6ce0ed4fe82bd65327eced39c2c909ae05d2ecc..4d73732c949fd49f38fec6ac333519fa26e84b05 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -2345,12 +2345,11 @@
   device::GeolocationServiceContext* geolocation_service_context =
       delegate_ ? delegate_->GetGeolocationServiceContext() : NULL;
 
-#if !defined(OS_ANDROID)
-  // The default (no-op) implementation of InstalledAppProvider. On Android, the
-  // real implementation is provided in Java.
+  // The default (no-op) implementation of InstalledAppProvider.
+  // TODO(mgiuca): Implement the "real" one for Android in Java, and do not add
+  // the default one on that platform.
   GetInterfaceRegistry()->AddInterface(
       base::Bind(&InstalledAppProviderImplDefault::Create));
-#endif  // !defined(OS_ANDROID)
 
   if (geolocation_service_context) {
     // TODO(creis): Bind process ID here so that GeolocationServiceImpl