Show error message for desktop capture related APIs on Aura Android

chrome/browser/ui/views/desktop_media_picker_views.cc

 // Copyright 2013 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 "chrome/browser/ui/views/desktop_media_picker_views.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/media/desktop_media_list.h"
@@ skipping 34 matching lines @@
 const int kListColumns = 3;
 const int kTotalListWidth = kListColumns * kListItemWidth;
 
 const int kDesktopMediaSourceViewGroupId = 1;
 
 const char kDesktopMediaSourceViewClassName[] =
     "DesktopMediaPicker_DesktopMediaSourceView";
 
 DesktopMediaID::Id AcceleratedWidgetToDesktopMediaId(
     gfx::AcceleratedWidget accelerated_widget) {
-#if defined(OS_WIN)
+#if defined(OS_WIN) || defined(OS_ANDROID)

[sky, 2015/11/19 20:40:41]

Is it worth a NOT_IMPLEMENTED() for android?

[bshe, 2015/11/20 15:44:29]

Done.

+  // TODO(bshe): We may need to revisit this for Android platform. See
+  // crbug.com/557424.
   return reinterpret_cast<DesktopMediaID::Id>(accelerated_widget);
 #else
   return static_cast<DesktopMediaID::Id>(accelerated_widget);
 #endif
 }
 
 int GetMediaListViewHeightForRows(size_t rows) {
   return kListItemHeight * rows;
 }
 
@@ skipping 529 matching lines @@
   content::BrowserThread::PostTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(callback_, source));
   callback_.Reset();
 }
 
 // static
 scoped_ptr<DesktopMediaPicker> DesktopMediaPicker::Create() {
   return scoped_ptr<DesktopMediaPicker>(new DesktopMediaPickerViews());
 }