base: Remove unneeded RegisterNatives() calls on Android

ipc/run_all_unittests.cc

Index: ipc/run_all_unittests.cc
diff --git a/ipc/run_all_unittests.cc b/ipc/run_all_unittests.cc
index 44bbf60dc6deac77f06469a2017c2e97fcf1ba20..a9d213352e01d69f75d86b8cddfdd839cc7093f7 100644
--- a/ipc/run_all_unittests.cc
+++ b/ipc/run_all_unittests.cc
@@ -11,11 +11,6 @@
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/test/scoped_ipc_support.h"
 
-#if defined(OS_ANDROID)
-#include "base/android/jni_android.h"
-#include "base/test/test_file_util.h"
-#endif
-
 #if defined(OS_MACOSX) && !defined(OS_IOS)
 #include "base/mac/mach_port_broker.h"
 #endif
@@ -23,9 +18,6 @@
 int main(int argc, char** argv) {
 #if defined(OS_ANDROID)
   base::InitAndroidMultiProcessTestHelper(main);
-
-  JNIEnv* env = base::android::AttachCurrentThread();
-  base::RegisterContentUriTestUtils(env);
 #endif
   base::TestSuite test_suite(argc, argv);
   mojo::edk::Init();