Move ia2_attributes handling to AXPlatformNodeWin.

ui/accessibility/platform/ax_platform_node_base.cc

 // Copyright 2014 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 "ui/accessibility/platform/ax_platform_node_base.h"
 
+#include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/accessibility/ax_action_data.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/accessibility/ax_role_properties.h"
 #include "ui/accessibility/platform/ax_platform_node_delegate.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 
 namespace ui {
 
 void AXPlatformNodeBase::Init(AXPlatformNodeDelegate* delegate) {
@@ skipping 313 matching lines @@
     case ui::AX_ROLE_SPIN_BUTTON:
     case ui::AX_ROLE_SCROLL_BAR:
       return true;
     case ui::AX_ROLE_SPLITTER:
       return GetData().HasState(ui::AX_STATE_FOCUSABLE);
     default:
       return false;
   }
 }
 
+base::string16 AXPlatformNodeBase::GetRangeValueText() {
+  float fval;
+  base::string16 value = GetString16Attribute(ui::AX_ATTR_VALUE);
+
+  if (value.empty() && GetFloatAttribute(ui::AX_ATTR_VALUE_FOR_RANGE, &fval)) {
+    value = base::UTF8ToUTF16(base::DoubleToString(fval));
+  }
+  return value;
+}
+
 AXPlatformNodeBase* AXPlatformNodeBase::GetTable() const {
   if (!delegate_)
     return nullptr;
   AXPlatformNodeBase* table = const_cast<AXPlatformNodeBase*>(this);
   while (table && !ui::IsTableLikeRole(table->GetData().role)) {
     gfx::NativeViewAccessible parent_accessible = table->GetParent();
     AXPlatformNodeBase* parent = FromNativeViewAccessible(parent_accessible);
 
     table = parent;
   }
@@ skipping 104 matching lines @@
   if (!ui::IsCellOrTableHeaderRole(GetData().role))
     return 0;
 
   int row_span;
   if (GetIntAttribute(ui::AX_ATTR_TABLE_CELL_ROW_SPAN, &row_span))
     return row_span;
   return 1;
 }
 
 }  // namespace ui