Selectively perform JNI registration in render processes on Android.

base/android/java/src/org/chromium/base/JNIUtils.java

Index: base/android/java/src/org/chromium/base/JNIUtils.java
diff --git a/base/android/java/src/org/chromium/base/JNIUtils.java b/base/android/java/src/org/chromium/base/JNIUtils.java
index f971b5e03cebd984bcd14066947c40a475f2afe4..51c4bfa130d7187ae768ff2a07a07dbc8853ee11 100644
--- a/base/android/java/src/org/chromium/base/JNIUtils.java
+++ b/base/android/java/src/org/chromium/base/JNIUtils.java
@@ -4,6 +4,7 @@
 
 package org.chromium.base;
 
+import org.chromium.base.JniRegistrationType.JniRegistrationTypeEnum;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.MainDex;
 
@@ -12,6 +13,9 @@ import org.chromium.base.annotations.MainDex;
  */
 @MainDex
 public class JNIUtils {
+    @JniRegistrationTypeEnum
+    private static int sJniRegistrationType = JniRegistrationType.ALL_JNI_REGISTRATION;
+
     /**
      * This returns a ClassLoader that is capable of loading Chromium Java code. Such a ClassLoader
      * is needed for the few cases where the JNI mechanism is unable to automatically determine the
@@ -21,4 +25,23 @@ public class JNIUtils {
     public static Object getClassLoader() {
         return JNIUtils.class.getClassLoader();
     }
+
+    /**
+     * @return the type of JNI registration to perform when the native libraries are loaded.
+     */
+    @JniRegistrationTypeEnum
+    @CalledByNative
+    public static int getJniRegistrationType() {
+        return sJniRegistrationType;
+    }
+
+    /**
+     * Set the JNI registration type so that native side can register the correct JNI methods.
+     * Must be called before the native library is loaded.
+     * @param jniRegistrationType the type of JNI registration to perform when loading native
+     *                            libraries.
+     */
+    public static void setJniRegistrationType(@JniRegistrationTypeEnum int jniRegistrationType) {
+        sJniRegistrationType = jniRegistrationType;
+    }
 }