Selectively perform JNI registration in render processes on Android.

base/android/jni_generator/jni_generator_tests.py

Index: base/android/jni_generator/jni_generator_tests.py
diff --git a/base/android/jni_generator/jni_generator_tests.py b/base/android/jni_generator/jni_generator_tests.py
index 022f043637d98c02387b075ec1cc2b46a512f183..c0c82388dc0024c8636839e0d62a76776165e16b 100755
--- a/base/android/jni_generator/jni_generator_tests.py
+++ b/base/android/jni_generator/jni_generator_tests.py
@@ -950,6 +950,33 @@ class Foo {
                                              natives, [], [], test_options)
     self.assertGoldenTextEquals(h.GetContent())
 
+  def testMainDexFile(self):
+    test_data = """
+    package org.chromium.example.jni_generator;
+
+    @MainDex
+    class Test {
+        private static native int nativeStaticMethod(long nativeTest, int arg1);
+    }
+    """
+    options = TestOptions()
+    jni_from_java = jni_generator.JNIFromJavaSource(
+      test_data, 'org/chromium/foo/Bar', options)
+    self.assertGoldenTextEquals(jni_from_java.GetContent())
+
+  def testNonMainDexFile(self):
+    test_data = """
+    package org.chromium.example.jni_generator;
+
+    class Test {
+        private static native int nativeStaticMethod(long nativeTest, int arg1);
+    }
+    """
+    options = TestOptions()
+    jni_from_java = jni_generator.JNIFromJavaSource(
+      test_data, 'org/chromium/foo/Bar', options)
+    self.assertGoldenTextEquals(jni_from_java.GetContent())
+
   def testNativeExportsOnlyOption(self):
     test_data = """
     package org.chromium.example.jni_generator;