MacViews/a11y: Allow accessibility clients to update the selected text.

ui/accessibility/platform/ax_platform_node_win.cc

Index: ui/accessibility/platform/ax_platform_node_win.cc
diff --git a/ui/accessibility/platform/ax_platform_node_win.cc b/ui/accessibility/platform/ax_platform_node_win.cc
index e73d9a497c3025a810c62a234057a776df8cd5dc..f6a839affe4bae38a14decbd6cd2215c1fb4882d 100644
--- a/ui/accessibility/platform/ax_platform_node_win.cc
+++ b/ui/accessibility/platform/ax_platform_node_win.cc
@@ -454,7 +454,7 @@ STDMETHODIMP AXPlatformNodeWin::get_accValue(VARIANT var_id, BSTR* value) {
 STDMETHODIMP AXPlatformNodeWin::put_accValue(VARIANT var_id,
                                              BSTR new_value) {
   COM_OBJECT_VALIDATE_VAR_ID(var_id);
-  if (delegate_->SetStringValue(new_value))
+  if (delegate_->SetStringValue(new_value, false))

[tapted, 2016/10/27 02:09:56]

should this be 'true' to preserve existing behaviour?

[Patti Lor, 2016/10/31 00:35:05]

Yes, thank you! Fixed now.

     return S_OK;
   return E_FAIL;
 }