Component updater should wake up upon new component registration.

Upon registration of new components, we reset the timer, as if the
component were registered upfront.

BUG=379880

Review URL: https://codereview.chromium.org/325073002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@276384 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 16 insertions, 3 deletions

diff --git a/chrome/browser/component_updater/component_updater_service.cc b/chrome/browser/component_updater/component_updater_service.cc
index f2518ea..135bca6 100644
--- a/chrome/browser/component_updater/component_updater_service.cc
+++ b/chrome/browser/component_updater/component_updater_service.cc
@@ -490,10 +490,23 @@ ComponentUpdateService::Status CrxUpdateService::RegisterComponent(
   uit->component = component;
 
   work_items_.push_back(uit);
+
   // If this is the first component registered we call Start to
-  // schedule the first timer.
-  if (running_ && (work_items_.size() == 1))
-    Start();
+  // schedule the first timer. Otherwise, reset the timer to trigger another
+  // pass over the work items, if the component updater is sleeping, fact
+  // indicated by a running timer. If the timer is not running, it means that
+  // the service is busy updating something, and in that case, this component
+  // will be picked up at the next pass.
+  if (running_) {
+    if (work_items_.size() == 1) {
+      Start();
+    } else if (timer_.IsRunning()) {
+        timer_.Start(FROM_HERE,
+                     base::TimeDelta::FromSeconds(config_->InitialDelay()),
+                     this,
+                     &CrxUpdateService::ProcessPendingItems);
+    }
+  }
 
   return kOk;
 }