Remove unneeded JNI registrations.

content/shell/android/browsertests_apk/content_browser_tests_android.cc

Index: content/shell/android/browsertests_apk/content_browser_tests_android.cc
diff --git a/content/shell/android/browsertests_apk/content_browser_tests_android.cc b/content/shell/android/browsertests_apk/content_browser_tests_android.cc
index d4dd0b2221e12c8a3cd7e25f2df7546baaa6efe4..b50f5df4a8d222ba932de846f37dbecfd02924d7 100644
--- a/content/shell/android/browsertests_apk/content_browser_tests_android.cc
+++ b/content/shell/android/browsertests_apk/content_browser_tests_android.cc
@@ -105,18 +105,12 @@ JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
   base::android::InitVM(vm);
   JNIEnv* env = base::android::AttachCurrentThread();
 
-  if (!base::android::RegisterLibraryLoaderEntryHook(env))
-    return -1;
-
   if (!content::android::RegisterShellJni(env))
     return -1;
 
   if (!content::NestedMessagePumpAndroid::RegisterJni(env))
     return -1;
 
-  if (!content::RegisterNativesImpl(env))
-    return -1;
-
   content::SetContentMainDelegate(new content::ShellMainDelegate());
   return JNI_VERSION_1_4;
 }