Add experimental extension APIs to notify about wakeup and screen unlock

chrome/browser/extensions/extension_accessibility_api.cc

Index: chrome/browser/extensions/extension_accessibility_api.cc
diff --git a/chrome/browser/extensions/extension_accessibility_api.cc b/chrome/browser/extensions/extension_accessibility_api.cc
index 731b81e6944f476b65253a926999774222d0a586..8e3556cdcd0fe17dde4d752bafd2bce145af8095 100644
--- a/chrome/browser/extensions/extension_accessibility_api.cc
+++ b/chrome/browser/extensions/extension_accessibility_api.cc
@@ -65,6 +65,12 @@ ExtensionAccessibilityEventRouter::ExtensionAccessibilityEventRouter()
   registrar_.Add(this,
                  chrome::NOTIFICATION_ACCESSIBILITY_VOLUME_CHANGED,
                  content::NotificationService::AllSources());
+  registrar_.Add(this,
+                 chrome::NOTIFICATION_ACCESSIBILITY_SCREEN_UNLOCKED,
+                 content::NotificationService::AllSources());
+  registrar_.Add(this,
+                 chrome::NOTIFICATION_ACCESSIBILITY_WOKE_UP,
+                 content::NotificationService::AllSources());
 }
 
 ExtensionAccessibilityEventRouter::~ExtensionAccessibilityEventRouter() {
@@ -107,6 +113,14 @@ void ExtensionAccessibilityEventRouter::Observe(
       OnVolumeChanged(
           content::Details<const AccessibilityVolumeInfo>(details).ptr());
       break;
+    case chrome::NOTIFICATION_ACCESSIBILITY_SCREEN_UNLOCKED:
+      OnScreenUnlocked(
+          content::Details<const AccessibilityEmptyEventInfo>(details).ptr());
+      break;
+    case chrome::NOTIFICATION_ACCESSIBILITY_WOKE_UP:
+      OnWokeUp(
+          content::Details<const AccessibilityEmptyEventInfo>(details).ptr());
+      break;
     default:
       NOTREACHED();
   }
@@ -170,6 +184,18 @@ void ExtensionAccessibilityEventRouter::OnVolumeChanged(
   DispatchEvent(info->profile(), keys::kOnVolumeChanged, json_args);
 }
 
+void ExtensionAccessibilityEventRouter::OnScreenUnlocked(
+    const AccessibilityEmptyEventInfo* info) {
+  std::string json_args = ControlInfoToJsonString(info);
+  DispatchEvent(info->profile(), keys::kOnScreenUnlocked, json_args);
+}
+
+void ExtensionAccessibilityEventRouter::OnWokeUp(
+    const AccessibilityEmptyEventInfo* info) {
+  std::string json_args = ControlInfoToJsonString(info);
+  DispatchEvent(info->profile(), keys::kOnWokeUp, json_args);
+}
+
 void ExtensionAccessibilityEventRouter::DispatchEvent(
     Profile* profile,
     const char* event_name,