Android: lazy initialization for method id.

chrome/browser/component/web_contents_delegate_android/web_contents_delegate_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/component/web_contents_delegate_android/web_contents_delegate_android.h"
 
 #include <android/keycodes.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/page_transition_types.h"
 #include "content/public/common/referrer.h"
 #include "jni/WebContentsDelegateAndroid_jni.h"
 #include "net/http/http_request_headers.h"
 #include "ui/gfx/rect.h"
 #include "webkit/glue/window_open_disposition.h"
 
 using base::android::AttachCurrentThread;
 using base::android::CheckException;
 using base::android::ConvertUTF8ToJavaString;
 using base::android::ConvertUTF16ToJavaString;
 using base::android::GetClass;
-using base::android::GetMethodID;
 using base::android::HasClass;
 using base::android::ScopedJavaLocalRef;
 using content::DownloadItem;
 using content::JavaScriptDialogCreator;
 using content::RenderViewHost;
 using content::WebContents;
 
 namespace web_contents_delegate_android {
 
 WebContentsDelegateAndroid::WebContentsDelegateAndroid(JNIEnv* env, jobject obj)
@@ skipping 301 matching lines @@
 
 bool RegisterWebContentsDelegateAndroid(JNIEnv* env) {
   if (!HasClass(env, kWebContentsDelegateAndroidClassPath)) {
     DLOG(ERROR) << "Unable to find class WebContentsDelegateAndroid!";
     return false;
   }
   return RegisterNativesImpl(env);
 }
 
 }  // namespace web_contents_delegate_android