Android: lazy initialization for method id.

content/browser/android/surface_texture_peer_browser_impl.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 "content/browser/android/surface_texture_peer_browser_impl.h"
 
 #include "content/browser/android/media_player_manager_android.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/common/android/surface_callback.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "jni/BrowserProcessSurfaceTexture_jni.h"
 #include "media/base/android/media_player_bridge.h"
 
+using base::android::MethodID;
+
 namespace content {
 
 // Pass a java surface object to the MediaPlayerBridge object
 // identified by render process handle, render view ID and player ID.
 static void SetSurfacePeer(jobject j_surface,
                            base::ProcessHandle render_process_handle,
                            int render_view_id,
                            int player_id) {
   int renderer_id = 0;
   RenderProcessHost::iterator it = RenderProcessHost::AllHostsIterator();
@@ skipping 44 matching lines @@
 
   JNIEnv* env = base::android::AttachCurrentThread();
   DCHECK(env);
   if (player_in_render_process_) {
     Java_BrowserProcessSurfaceTexture_establishSurfaceTexturePeer(
         env, render_process_handle, type, j_surface_texture,
         render_view_id, player_id);
   } else {
     base::android::ScopedJavaLocalRef<jclass> cls(
         base::android::GetClass(env, "android/view/Surface"));
-    jmethodID constructor = GetMethodID(env, cls, "<init>",
-        "(Landroid/graphics/SurfaceTexture;)V");
+    jmethodID constructor = MethodID::Get<
+        MethodID::METHODTYPE_NORMAL, MethodID::EXCEPTIONCHECK_YES>(
+            env, cls.obj(), "<init>", "(Landroid/graphics/SurfaceTexture;)V");
     ScopedJavaLocalRef<jobject> tmp(env,
         env->NewObject(cls.obj(), constructor, j_surface_texture));
     jobject surface = env->NewGlobalRef(tmp.obj());
 
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind(
         &SetSurfacePeer, surface, render_process_handle, render_view_id,
         player_id));
   }
 }
 
 bool SurfaceTexturePeerBrowserImpl::RegisterBrowserProcessSurfaceTexture(
     JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content