[android] Resize the android_webview if it's 0x0 initially.

components/web_contents_delegate_android/web_contents_delegate_android.cc

Index: components/web_contents_delegate_android/web_contents_delegate_android.cc
diff --git a/components/web_contents_delegate_android/web_contents_delegate_android.cc b/components/web_contents_delegate_android/web_contents_delegate_android.cc
index debb7b2a20e56cee0c5340bbd85ecf6107a773fe..c209e9b22b24f4d1251210f5b11b3c98e761023f 100644
--- a/components/web_contents_delegate_android/web_contents_delegate_android.cc
+++ b/components/web_contents_delegate_android/web_contents_delegate_android.cc
@@ -300,6 +300,17 @@ bool WebContentsDelegateAndroid::IsFullscreenForTabOrPending(
       env, obj.obj());
 }
 
+void WebContentsDelegateAndroid::UpdatePreferredSize(
+    WebContents* web_contents,
+    const gfx::Size& pref_size) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
+  if (obj.is_null())
+    return;
+  return Java_WebContentsDelegateAndroid_updatePreferredSize(
+      env, obj.obj(), pref_size.width(), pref_size.height());
+}
+
 // ----------------------------------------------------------------------------
 // Native JNI methods
 // ----------------------------------------------------------------------------