Android: lazy initialization for method id.

chrome/browser/android/chrome_web_contents_delegate_android.cc

Index: chrome/browser/android/chrome_web_contents_delegate_android.cc
diff --git a/chrome/browser/android/chrome_web_contents_delegate_android.cc b/chrome/browser/android/chrome_web_contents_delegate_android.cc
index a063d6d65125300471fec3f4891f3726459163aa..7ce880dfd7a2fff53b9e309a38c92a618d59ea55 100644
--- a/chrome/browser/android/chrome_web_contents_delegate_android.cc
+++ b/chrome/browser/android/chrome_web_contents_delegate_android.cc
@@ -24,6 +24,7 @@
 
 using base::android::AttachCurrentThread;
 using base::android::GetClass;
+using base::android::MethodID;
 using base::android::ScopedJavaLocalRef;
 using content::FileChooserParams;
 using content::WebContents;
@@ -142,8 +143,8 @@ void ChromeWebContentsDelegateAndroid::OnFindResultAvailable(
   ScopedJavaLocalRef<jclass> rect_clazz =
       GetClass(env, "android/graphics/Rect");
 
-  jmethodID rect_constructor =
-      GetMethodID(env, rect_clazz, "<init>", "(IIII)V");
+  jmethodID rect_constructor = MethodID::Get<MethodID::TYPE_INSTANCE>(
+      env, rect_clazz.obj(), "<init>", "(IIII)V");
 
   ScopedJavaLocalRef<jobject> selection_rect = CreateAndroidRect(
       env, rect_clazz, rect_constructor, find_result->selection_rect());
@@ -152,8 +153,8 @@ void ChromeWebContentsDelegateAndroid::OnFindResultAvailable(
   ScopedJavaLocalRef<jclass> details_clazz =
       GetClass(env, "org/chromium/chrome/browser/FindNotificationDetails");
 
-  jmethodID details_constructor = GetMethodID(env, details_clazz, "<init>",
-                                              "(ILandroid/graphics/Rect;IZ)V");
+  jmethodID details_constructor = MethodID::Get<MethodID::TYPE_INSTANCE>(
+      env, details_clazz.obj(), "<init>", "(ILandroid/graphics/Rect;IZ)V");
 
   ScopedJavaLocalRef<jobject> details_object(
       env,
@@ -191,8 +192,8 @@ void ChromeWebContentsDelegateAndroid::FindMatchRectsReply(
   ScopedJavaLocalRef<jclass> rect_clazz =
       GetClass(env, "android/graphics/RectF");
 
-  jmethodID rect_constructor =
-      GetMethodID(env, rect_clazz, "<init>", "(FFFF)V");
+  jmethodID rect_constructor = MethodID::Get<MethodID::TYPE_INSTANCE>(
+      env, rect_clazz.obj(), "<init>", "(FFFF)V");
 
   ScopedJavaLocalRef<jobjectArray> jrects(env, env->NewObjectArray(
       match_rects.rects().size(), rect_clazz.obj(), NULL));
@@ -213,7 +214,8 @@ void ChromeWebContentsDelegateAndroid::FindMatchRectsReply(
   ScopedJavaLocalRef<jclass> details_clazz =
       GetClass(env, "org/chromium/chrome/browser/FindMatchRectsDetails");
 
-  jmethodID details_constructor = GetMethodID(env, details_clazz, "<init>",
+  jmethodID details_constructor = MethodID::Get<MethodID::TYPE_INSTANCE>(
+      env, details_clazz.obj(), "<init>",
       "(I[Landroid/graphics/RectF;Landroid/graphics/RectF;)V");
 
   ScopedJavaLocalRef<jobject> details_object(