Make a content/test API for registering JNI.

components/test/DEPS

Index: components/test/DEPS
diff --git a/components/test/DEPS b/components/test/DEPS
index 7bd6a586401be6e21340f26604aadc215e0f6dd8..595f6482f8dc2d83c98b88efe92fb21d816b5e58 100644
--- a/components/test/DEPS
+++ b/components/test/DEPS
@@ -1,27 +1,10 @@
 include_rules = [
-  # To initialize the global data of content_settings.
-  "+components/content_settings/core/common",
-  "+components/invalidation/impl/android/component_jni_registrar.h",
-  "+components/policy/core/browser/android/component_jni_registrar.h",
-  "+components/safe_json/android/component_jni_registrar.h",
-  "+components/signin/core/browser/android/component_jni_registrar.h",
-  "+content/browser/android/browser_jni_registrar.h",
-  "+content/public/android/java/src/org/chromium/content/browser",
-  "+content/public/app/content_jni_onload.h",
-  "+content/public/app/content_main.h",
-  "+content/public/common/content_switches.h",
-  "+content/public/test",
-  "+content/shell/android/browsertests",
-  "+content/shell/android/java/src/org/chromium/content_shell",
-  "+content/shell/android/shell_jni_registrar.h",
-  "+content/shell/app/shell_main_delegate.h",
+  # The components test setup can include anything that components can.
+  "+components",
+  "+content/public",
+  "+content/shell",
   "+jni",
-  "+media/base/media_switches.h",
-  "+net/android/net_jni_registrar.h",
-  "+ui/android/java/src/org/chromium/ui/base",
-  "+ui/base/android/ui_base_jni_registrar.h",
-  "+ui/base/resource/resource_bundle.h",
-  "+ui/base/ui_base_paths.h",
-  "+ui/gfx/android/gfx_jni_registrar.h",
-  "+ui/gl/test/gl_surface_test_support.h",  # To initialize GL for tests.
+  "+media",
+  "+net",
+  "+ui",
 ]