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

android_webview/native/aw_web_contents_delegate.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 "android_webview/native/aw_web_contents_delegate.h"
 
 #include "android_webview/browser/aw_javascript_dialog_manager.h"
 #include "android_webview/browser/find_helper.h"
 #include "android_webview/native/aw_contents.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 104 matching lines @@
 
 void AwWebContentsDelegate::ActivateContents(content::WebContents* contents) {
   JNIEnv* env = AttachCurrentThread();
 
   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
   if (java_delegate.obj()) {
     Java_AwWebContentsDelegate_activateContents(env, java_delegate.obj());
   }
 }
 
+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());
+}
+
 bool RegisterAwWebContentsDelegate(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android_webview