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

components/web_contents_delegate_android/web_contents_delegate_android.h

 // 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.
 
 #ifndef COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_
 #define COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_
 
 #include "base/android/jni_helper.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/compiler_specific.h"
@@ skipping 74 matching lines @@
       const content::NativeWebKeyboardEvent& event) OVERRIDE;
   virtual bool TakeFocus(content::WebContents* source, bool reverse) OVERRIDE;
 
   virtual void ShowRepostFormWarningDialog(
       content::WebContents* source) OVERRIDE;
 
   virtual void ToggleFullscreenModeForTab(content::WebContents* web_contents,
                                           bool enter_fullscreen) OVERRIDE;
   virtual bool IsFullscreenForTabOrPending(
       const content::WebContents* web_contents) const OVERRIDE;
+  virtual void UpdatePreferredSize(content::WebContents* web_contents,
+                                   const gfx::Size& pref_size) OVERRIDE;
 
  protected:
   base::android::ScopedJavaLocalRef<jobject> GetJavaDelegate(JNIEnv* env) const;
 
  private:
   // We depend on the java side user of WebContentDelegateAndroid to hold a
   // strong reference to that object as long as they want to receive callbacks
   // on it. Using a weak ref here allows it to be correctly GCed.
   JavaObjectWeakGlobalRef weak_java_delegate_;
 };
 
 bool RegisterWebContentsDelegateAndroid(JNIEnv* env);
 
 }  // namespace components
 
 #endif  // COMPONENTS_WEB_CONTENTS_DELEGATE_ANDROID_WEB_CONTENTS_DELEGATE_ANDROID_H_