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(
     scoped_refptr<SurfaceTextureBridge> surface_texture_bridge,
     base::ProcessHandle render_process_handle,
     int render_view_id,
     int player_id) {
   int renderer_id = 0;
@@ skipping 11 matching lines @@
   if (renderer_id) {
     RenderViewHostImpl* host = RenderViewHostImpl::FromID(
         renderer_id, render_view_id);
     if (host) {
       media::MediaPlayerBridge* player =
           host->media_player_manager()->GetPlayer(player_id);
       if (player &&
           player != host->media_player_manager()->GetFullscreenPlayer()) {
         base::android::ScopedJavaLocalRef<jclass> cls(
             base::android::GetClass(env, "android/view/Surface"));
-        jmethodID constructor = GetMethodID(env, cls, "<init>",
-            "(Landroid/graphics/SurfaceTexture;)V");
-        ScopedJavaLocalRef<jobject> j_surface(env,
-            env->NewObject(cls.obj(), constructor,
-                           surface_texture_bridge->j_surface_texture().obj()));
+        jmethodID constructor = MethodID::Get<MethodID::TYPE_INSTANCE>(
+            env, cls.obj(), "<init>", "(Landroid/graphics/SurfaceTexture;)V");
+        ScopedJavaLocalRef<jobject> j_surface(
+            env, env->NewObject(
+                cls.obj(), constructor,
+                surface_texture_bridge->j_surface_texture().obj()));
         player->SetVideoSurface(j_surface.obj());
         ReleaseSurface(j_surface.obj());
       }
     }
   }
 }
 
 SurfaceTexturePeerBrowserImpl::SurfaceTexturePeerBrowserImpl(
     bool player_in_render_process)
     : player_in_render_process_(player_in_render_process) {
@@ skipping 26 matching lines @@
         render_view_id, player_id));
   }
 }
 
 bool SurfaceTexturePeerBrowserImpl::RegisterBrowserProcessSurfaceTexture(
     JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content