New Task Manager - Phase 1.3.5: Implement Extension Task Providing

chrome/browser/task_management/web_contents_tags.h

Index: chrome/browser/task_management/web_contents_tags.h
diff --git a/chrome/browser/task_management/web_contents_tags.h b/chrome/browser/task_management/web_contents_tags.h
index 92d58f1339fca44c55cb61806c6c15141975aa34..ddfa3ccadc7bd9ab4f0cbdad8af87697d826f4e6 100644
--- a/chrome/browser/task_management/web_contents_tags.h
+++ b/chrome/browser/task_management/web_contents_tags.h
@@ -14,6 +14,10 @@ namespace content {
 class WebContents;
 }  // namespace content
 
+namespace extensions {
+class Extension;
+}  // namespace extensions
+
 namespace task_management {
 
 // Defines a factory class for creating the TaskManager-specific Tags for the
@@ -76,6 +80,15 @@ class WebContentsTags {
   // by |web_contents|.
   static void CreateForGuestContents(content::WebContents* web_contents);
 
+  // Tag a WebContents that belongs to |extension| so that it shows up in the
+  // task manager. Calling this function creates a ExtensionTag, and attaches
+  // it to |web_contents|. If an instance is already attached, this does
+  // nothing. The resulting tag does not have to be cleaned up by the caller,
+  // as it is owned by |web_contents|.
+  // |web_contents| must be of a non-tab, non-guest view, non-panel, or
+  // non-background contents Extension.
+  static void CreateForExtension(content::WebContents* web_contents);
+
   // Clears the task-manager tag, created by any of the above functions, from
   // the given |web_contents| if any.
   // Clearing the tag is necessary only when you need to re-tag an existing