New Task Manager - Phase 1.3.5: Implement Extension Task Providing

CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
R=nick@chromium.org
BUG=470994
TEST=

Review URL: https://codereview.chromium.org/1254103002

Cr-Commit-Position: refs/heads/master@{#342377}

2 files changed, 10 insertions, 0 deletions

diff --git a/extensions/browser/extensions_browser_client.h b/extensions/browser/extensions_browser_client.h
index 838a343..8b66051 100644
--- a/extensions/browser/extensions_browser_client.h
+++ b/extensions/browser/extensions_browser_client.h
@@ -11,6 +11,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "extensions/browser/extension_event_histogram_value.h"
 #include "extensions/browser/extension_prefs_observer.h"
+#include "extensions/common/view_type.h"
 
 class ExtensionFunctionRegistry;
 class PrefService;
@@ -226,6 +227,12 @@ class ExtensionsBrowserClient {
                               int embedder_process_id,
                               int view_instance_id) {}
 
+  // Attaches the task manager extension tag to |web_contents|, if needed based
+  // on |view_type|, so that its corresponding task shows up in the task
+  // manager.
+  virtual void AttachExtensionTaskManagerTag(content::WebContents* web_contents,
+                                             ViewType view_type) {}
+
   // Returns the single instance of |this|.
   static ExtensionsBrowserClient* Get();
 
diff --git a/extensions/browser/view_type_utils.cc b/extensions/browser/view_type_utils.cc
index ba72ceb..933d669 100644
--- a/extensions/browser/view_type_utils.cc
+++ b/extensions/browser/view_type_utils.cc
@@ -6,6 +6,7 @@
 
 #include "base/lazy_instance.h"
 #include "content/public/browser/web_contents.h"
+#include "extensions/browser/extensions_browser_client.h"
 
 using content::WebContents;
 
@@ -39,6 +40,8 @@ ViewType GetViewType(WebContents* tab) {
 
 void SetViewType(WebContents* tab, ViewType type) {
   tab->SetUserData(&kViewTypeUserDataKey, new ViewTypeUserData(type));
+
+  ExtensionsBrowserClient::Get()->AttachExtensionTaskManagerTag(tab, type);
 }
 
 }  // namespace extensions