Fix Task Manager to correctly display network usage of plug-in processes.

chrome/browser/task_manager/task_manager.cc

Index: chrome/browser/task_manager/task_manager.cc
diff --git a/chrome/browser/task_manager/task_manager.cc b/chrome/browser/task_manager/task_manager.cc
index 879ecd5a518d416e028181a59b308dea009ed74f..d407dfb7f0c67b90fcc6e2ec6f29d6397a7de48e 100644
--- a/chrome/browser/task_manager/task_manager.cc
+++ b/chrome/browser/task_manager/task_manager.cc
@@ -851,10 +851,13 @@ void TaskManagerModel::BytesRead(BytesReadParam param) {
     // tab that started a download was closed, or the request may have had
     // no originating resource associated with it in the first place.
     // We attribute orphaned/unaccounted activity to the Browser process.
-    int browser_pid = base::GetCurrentProcId();
-    CHECK(param.origin_child_id != browser_pid);
-    param.origin_child_id = browser_pid;
-    param.render_process_host_child_id = param.routing_id = -1;
+    // TODO(wez): Better results could be achieved by checking with the
+    // ResourceProviders in decreasing order of specialisation, with the
+    // Renderer and Browser resources last, so that fall-back is implicit.
+    CHECK(param.origin_child_id != (-1));
+    param.origin_child_id =
+      param.render_process_host_child_id =
+      param.routing_id = -1;
     BytesRead(param);
     return;
   }