Use contents size for android_webview layout.

android_webview/native/aw_web_contents_delegate.cc

Index: android_webview/native/aw_web_contents_delegate.cc
diff --git a/android_webview/native/aw_web_contents_delegate.cc b/android_webview/native/aw_web_contents_delegate.cc
index ddd623d5d13ad31edc9b435c619deb88ae197494..0acbbb4a243db6670bae73d652a8eec74562761c 100644
--- a/android_webview/native/aw_web_contents_delegate.cc
+++ b/android_webview/native/aw_web_contents_delegate.cc
@@ -176,17 +176,6 @@ void AwWebContentsDelegate::ActivateContents(WebContents* contents) {
   }
 }
 
-void AwWebContentsDelegate::UpdatePreferredSize(
-    WebContents* web_contents,
-    const gfx::Size& pref_size) {
-  JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
-  if (obj.is_null())
-    return;
-  return Java_AwWebContentsDelegate_updatePreferredSize(
-      env, obj.obj(), pref_size.width(), pref_size.height());
-}
-
 static void FilesSelectedInChooser(
     JNIEnv* env, jclass clazz,
     jint process_id, jint render_id, jint mode_flags,