WebUI TaskManager: Add "Activate page" feature.

chrome/browser/ui/webui/task_manager_handler.cc

Index: chrome/browser/ui/webui/task_manager_handler.cc
diff --git a/chrome/browser/ui/webui/task_manager_handler.cc b/chrome/browser/ui/webui/task_manager_handler.cc
index 856179e9610f05f14d99b44b385c473574f02882..0423ea05a142fea84877c7b6bc77ec9f51e10bea 100644
--- a/chrome/browser/ui/webui/task_manager_handler.cc
+++ b/chrome/browser/ui/webui/task_manager_handler.cc
@@ -120,6 +120,8 @@ static Value* CreateColumnValue(const TaskManagerModel* tm,
   }
   if (column_name == "canInspect")
     return Value::CreateBooleanValue(tm->CanInspect(i));
+  if (column_name == "canActivate")
+    return Value::CreateBooleanValue(tm->CanActivate(i));
 
   NOTREACHED();
   return NULL;
@@ -189,6 +191,7 @@ static DictionaryValue* CreateTaskGroupValue(const TaskManagerModel* tm,
   CreateGroupColumnList(tm, "goatsTeleported", index, length, val);
   CreateGroupColumnList(tm, "goatsTeleportedValue", index, length, val);
   CreateGroupColumnList(tm, "canInspect", index, length, val);
+  CreateGroupColumnList(tm, "canActivate", index, length, val);
 
   return val;
 }
@@ -310,6 +313,9 @@ void TaskManagerHandler::RegisterMessages() {
   web_ui_->RegisterMessageCallback("inspect",
       base::Bind(&TaskManagerHandler::HandleInspect,
                  base::Unretained(this)));
+  web_ui_->RegisterMessageCallback("activatePage",
+      base::Bind(&TaskManagerHandler::HandleActivatePage,
+                 base::Unretained(this)));
   web_ui_->RegisterMessageCallback("openAboutMemory",
       base::Bind(&TaskManagerHandler::OpenAboutMemory,
                  base::Unretained(this)));
@@ -351,6 +357,25 @@ void TaskManagerHandler::HandleKillProcess(const ListValue* indexes) {
   }
 }
 
+void TaskManagerHandler::HandleActivatePage(const ListValue* resource_index) {
+  for (ListValue::const_iterator i = resource_index->begin();
+       i != resource_index->end(); ++i) {
+    int unique_id = parseIndex(*i);
+    if (unique_id == -1)
+      continue;
+
+    for (int resource_index = 0; resource_index < model_->ResourceCount();
+         ++resource_index) {
+      if (model_->GetResourceUniqueId(resource_index) == unique_id) {
+        task_manager_->ActivateProcess(resource_index);
+        break;
+      }
+    }
+
+    break;
+  }
+}
+
 void TaskManagerHandler::HandleInspect(const ListValue* resource_index) {
   for (ListValue::const_iterator i = resource_index->begin();
        i != resource_index->end(); ++i) {