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 70c236e69898b9bf4e68574bf51f16aaf2401358..aeb1d8f2311c859fc4b6bb7cc097e9c8e4907fe7 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -2306,11 +2306,12 @@ void RenderFrameHostImpl::RegisterMojoInterfaces() {
   device::GeolocationServiceContext* geolocation_service_context =
       delegate_ ? delegate_->GetGeolocationServiceContext() : NULL;
 
-  // 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.
+#if !defined(OS_ANDROID)
+  // The default (no-op) implementation of InstalledAppProvider. On Android, the
+  // real implementation is provided in Java.
   GetInterfaceRegistry()->AddInterface(
       base::Bind(&InstalledAppProviderImplDefault::Create));
+#endif  // !defined(OS_ANDROID)
 
   if (geolocation_service_context) {
     // TODO(creis): Bind process ID here so that GeolocationServiceImpl