Revert 281282 "Revert 281133 "chrome.hid: enrich model with repo..."

trunk/src/device/hid/hid_usage_and_page.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 "device/hid/hid_usage_and_page.h"
 
 namespace device {
 
-bool HidUsageAndPage::operator==(const HidUsageAndPage& other) const {
-  return usage == other.usage && usage_page == other.usage_page;
+bool HidUsageAndPage::IsProtected() const {
+  if (usage_page == HidUsageAndPage::kPageKeyboard)
+    return true;
+
+  if (usage_page != HidUsageAndPage::kPageGenericDesktop)
+    return false;
+
+  if (usage == HidUsageAndPage::kGenericDesktopPointer ||
+      usage == HidUsageAndPage::kGenericDesktopMouse ||
+      usage == HidUsageAndPage::kGenericDesktopKeyboard ||
+      usage == HidUsageAndPage::kGenericDesktopKeypad) {
+    return true;
+  }
+
+  if (usage >= HidUsageAndPage::kGenericDesktopSystemControl &&
+      usage <= HidUsageAndPage::kGenericDesktopSystemWarmRestart) {
+    return true;
+  }
+
+  if (usage >= HidUsageAndPage::kGenericDesktopSystemDock &&
+      usage <= HidUsageAndPage::kGenericDesktopSystemDisplaySwap) {
+    return true;
+  }
+
+  return false;
 }
 
 }  // namespace device