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

components/web_contents_delegate_android/web_contents_delegate_android.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 "components/web_contents_delegate_android/web_contents_delegate_android.h"
 
 #include <android/keycodes.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 282 matching lines @@
 bool WebContentsDelegateAndroid::IsFullscreenForTabOrPending(
     const WebContents* web_contents) const {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
   if (obj.is_null())
     return false;
   return Java_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
 // ----------------------------------------------------------------------------
 
 // Register native methods
 
 bool RegisterWebContentsDelegateAndroid(JNIEnv* env) {
   if (!HasClass(env, kWebContentsDelegateAndroidClassPath)) {
     DLOG(ERROR) << "Unable to find class WebContentsDelegateAndroid!";
     return false;
   }
   return RegisterNativesImpl(env);
 }
 
 }  // namespace components