Show Ash like <select> popup on Android tablets

content/browser/android/content_view_core_impl.h

 // Copyright 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 CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 
 #include <vector>
 
 #include "base/android/jni_android.h"
@@ skipping 226 matching lines @@
   // --------------------------------------------------------------------------
   // Public methods that call to Java via JNI
   // --------------------------------------------------------------------------
 
   void OnSmartClipDataExtracted(const base::string16& result);
 
   // Creates a popup menu with |items|.
   // |multiple| defines if it should support multi-select.
   // If not |multiple|, |selected_item| sets the initially selected item.
   // Otherwise, item's "checked" flag selects it.
-  void ShowSelectPopupMenu(const std::vector<MenuItem>& items,
+  void ShowSelectPopupMenu(const gfx::Rect& bounds,
+                           const std::vector<MenuItem>& items,
                            int selected_item,
+                           double item_font_size,

[Ted C, 2014/04/12 01:10:27]

In my opinion, we should not use the font size but should use something that is
well suited for a touch platform.

[keishi, 2014/04/15 14:41:07]

I've asked sgabriel@ if he wants the popup font size to be bigger when zoomed in
and he said yes. But I understand your concert so I am going to ignore font size
for this patch and asked him again.

                            bool multiple);
   // Hides a visible popup menu.
   void HideSelectPopupMenu();
 
   void OnTabCrashed();
 
   // All sizes and offsets are in CSS pixels as cached by the renderer.
   void UpdateFrameInfo(const gfx::Vector2dF& scroll_offset,
                        float page_scale_factor,
                        const gfx::Vector2dF& page_scale_factor_limits,
@@ skipping 147 matching lines @@
   bool geolocation_needs_pause_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };
 
 bool RegisterContentViewCore(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_