Android: lazy initialization for method id.

base/android/jni_android.h

Index: base/android/jni_android.h
diff --git a/base/android/jni_android.h b/base/android/jni_android.h
index 40e235943c64b88e04a1bd16166f107c81c574cf..eb96bdb1b234842e6051844c35d35716f77f4a6e 100644
--- a/base/android/jni_android.h
+++ b/base/android/jni_android.h
@@ -71,12 +71,6 @@ jmethodID GetMethodID(JNIEnv* env,
                       const char* method_name,
                       const char* jni_signature);
 
-// Unlike GetMethodID, returns NULL if the method could not be found.
-jmethodID GetMethodIDOrNull(JNIEnv* env,
-                            jclass clazz,
-                            const char* method_name,
-                            const char* jni_signature);
-
 // Returns the method ID for the static method with the specified name and
 // signature.
 // This method triggers a fatal assertion if the method could not be found.
@@ -92,12 +86,6 @@ jmethodID GetStaticMethodID(JNIEnv* env,
                             const char* method_name,
                             const char* jni_signature);
 
-// Unlike GetStaticMethodID, returns NULL if the method could not be found.
-jmethodID GetStaticMethodIDOrNull(JNIEnv* env,
-                                  jclass clazz,
-                                  const char* method_name,
-                                  const char* jni_signature);
-
 // Returns true iff |clazz| has a method with the specified name and signature.
 bool HasMethod(JNIEnv* env,
                const JavaRef<jclass>& clazz,