CHR-1796: Implement UIATextProvider::get_Value method.

ui/base/win/accessibility_misc_utils.h

Index: ui/base/win/accessibility_misc_utils.h
diff --git a/ui/base/win/accessibility_misc_utils.h b/ui/base/win/accessibility_misc_utils.h
index cc6b17e1de715f083231a94a2b6e42b14e39d439..e17f1d3c6b027d33b99c0e671528a4aaf5f3d455 100644
--- a/ui/base/win/accessibility_misc_utils.h
+++ b/ui/base/win/accessibility_misc_utils.h
@@ -9,6 +9,7 @@
 #include <UIAutomationCore.h>
 
 #include "base/compiler_specific.h"
+#include "base/strings/string16.h"
 #include "ui/base/ui_base_export.h"
 
 namespace base {
@@ -30,12 +31,16 @@ class UI_BASE_EXPORT UIATextProvider
 
   // Creates an instance of the UIATextProvider class.
   // Returns true on success
-  static bool CreateTextProvider(bool editable, IUnknown** provider);
+  static bool CreateTextProvider(const string16& value,
+                                 bool editable,
+                                 IUnknown** provider);
 
   void set_editable(bool editable) {
     editable_ = editable;
   }
 
+  void set_value(const string16& value) { value_ = value; }
+
   //
   // IValueProvider methods.
   //
@@ -48,9 +53,7 @@ class UI_BASE_EXPORT UIATextProvider
     return E_NOTIMPL;
   }
 
-  STDMETHOD(get_Value)(BSTR* value) {
-    return E_NOTIMPL;
-  }
+  STDMETHOD(get_Value)(BSTR* value);
 
   //
   // ITextProvider methods.
@@ -83,6 +86,7 @@ class UI_BASE_EXPORT UIATextProvider
 
  private:
   bool editable_;
+  string16 value_;
 };
 
 }  // win