Bug 1391733 - Update telemetry to provide information about e10s incompatible jaws usage. r=surkov

accessible/windows/ia2/ia2Accessible.cpp

@@ -46,8 +46,6 @@ ia2Accessible::QueryInterface(REFIID iid, void** ppv)
     *ppv = static_cast<IAccessible2_3*>(this);
   else if (IID_IAccessible2_2 == iid)
     *ppv = static_cast<IAccessible2_2*>(this);
-  else if (IID_IAccessible2 == iid && !Compatibility::IsIA2Off())
-    *ppv = static_cast<IAccessible2*>(this);
 
   if (*ppv) {
     (reinterpret_cast<IUnknown*>(*ppv))->AddRef();

accessible/windows/msaa/Compatibility.cpp

@@ -139,7 +139,7 @@ Compatibility::Init()
 
   HMODULE jawsHandle = ::GetModuleHandleW(L"jhook");
   if (jawsHandle)
-    sConsumers |= (IsModuleVersionLessThan(jawsHandle, 8, 2173)) ?
+    sConsumers |= (IsModuleVersionLessThan(jawsHandle, 18, 4315)) ?
                    OLDJAWS : JAWS;
 
   if (::GetModuleHandleW(L"gwm32inc"))

accessible/windows/msaa/Compatibility.h

@@ -19,16 +19,16 @@ namespace a11y {
 class Compatibility
 {
 public:
-  /**
-   * Return true if IAccessible2 disabled.
-   */
-  static bool IsIA2Off() { return !!(sConsumers & OLDJAWS); }
-
   /**
    * Return true if JAWS mode is enabled.
    */
   static bool IsJAWS() { return !!(sConsumers & (JAWS | OLDJAWS)); }
 
+  /**
+   * Return true if using an e10s incompatible Jaws.
+   */
+  static bool IsOldJAWS() { return !!(sConsumers & OLDJAWS); }
+
   /**
    * Return true if WE mode is enabled.
    */