Expose attributes max, min, value for meter html tag

content/browser/accessibility/browser_accessibility_android.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 "content/browser/accessibility/browser_accessibility_android.h"
 
 #include "base/i18n/break_iterator.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 202 matching lines @@
 bool BrowserAccessibilityAndroid::IsMultiLine() const {
   return GetRole() == ui::AX_ROLE_TEXT_AREA;
 }
 
 bool BrowserAccessibilityAndroid::IsPassword() const {
   return HasState(ui::AX_STATE_PROTECTED);
 }
 
 bool BrowserAccessibilityAndroid::IsRangeType() const {
   return (GetRole() == ui::AX_ROLE_PROGRESS_INDICATOR ||
+          GetRole() == ui::AX_ROLE_METER ||
           GetRole() == ui::AX_ROLE_SCROLL_BAR ||
           GetRole() == ui::AX_ROLE_SLIDER);
 }
 
 bool BrowserAccessibilityAndroid::IsScrollable() const {
   int dummy;
   return GetIntAttribute(ui::AX_ATTR_SCROLL_X_MAX, &dummy);
 }
 
 bool BrowserAccessibilityAndroid::IsSelected() const {
@@ skipping 628 matching lines @@
 int BrowserAccessibilityAndroid::CountChildrenWithRole(ui::AXRole role) const {
   int count = 0;
   for (uint32 i = 0; i < PlatformChildCount(); i++) {
     if (PlatformGetChild(i)->GetRole() == role)
       count++;
   }
   return count;
 }
 
 }  // namespace content