Make base compiled by clang

base/android/jni_generator/sample_for_tests.cc

Index: base/android/jni_generator/sample_for_tests.cc
diff --git a/base/android/jni_generator/sample_for_tests.cc b/base/android/jni_generator/sample_for_tests.cc
index e3da0e0dbc17b4bcbb3a2a6fc4d7dd67750e411a..5b5cfc543ff07717c180bae5abc1afc2546ca718 100644
--- a/base/android/jni_generator/sample_for_tests.cc
+++ b/base/android/jni_generator/sample_for_tests.cc
@@ -36,6 +36,28 @@ class CPPClass {
   }
 };
 
+static jint Init(JNIEnv* env, jobject obj) {
+  return 0;
+}
+
+static jdouble GetDoubleFunction(JNIEnv*, jobject) {
+  return 0;
+}
+
+static jfloat GetFloatFunction(JNIEnv*, jclass) {
+  return 0;
+}
+
+static void SetNonPODDatatype(JNIEnv*, jobject, jobject) {}
+
+static jobject GetNonPODDatatype(JNIEnv*, jobject) {
+  return NULL;
+}
+
+static jint InnerFunction(JNIEnv*, jclass) {
+  return 0;
+}
+
 } // namespace android
 } // namespace base