Make a content/test API for registering JNI.

content/public/test/test_utils.cc

Index: content/public/test/test_utils.cc
diff --git a/content/public/test/test_utils.cc b/content/public/test/test_utils.cc
index 1a05f68073e92c0ef4e0cef854fce559f7e472db..76d42aac32b5e718c6bfb234959101747762ca54 100644
--- a/content/public/test/test_utils.cc
+++ b/content/public/test/test_utils.cc
@@ -23,6 +23,10 @@
 #include "content/public/test/test_launcher.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+#if defined(OS_ANDROID)
+#include "content/browser/android/browser_jni_registrar.h"
+#endif
+
 namespace content {
 
 namespace {
@@ -196,6 +200,13 @@ void IsolateAllSitesForTesting(base::CommandLine* command_line) {
   command_line->AppendSwitch(switches::kSitePerProcess);
 }
 
+#if defined(OS_ANDROID)
+// Registers content/browser JNI bindings necessary for some types of tests.
+bool RegisterJniForTesting(JNIEnv* env) {
+  return content::android::RegisterBrowserJni(env);

[jam, 2015/12/01 19:14:17]

no content::

+}
+#endif
+
 MessageLoopRunner::MessageLoopRunner()
     : loop_running_(false),
       quit_closure_called_(false) {