Disambiguate OnMouseCaptureLost from OnMouseReleased, etc.

chrome/browser/ui/views/download_item_view.cc

Index: chrome/browser/ui/views/download_item_view.cc
diff --git a/chrome/browser/ui/views/download_item_view.cc b/chrome/browser/ui/views/download_item_view.cc
index 72c8b22b9983e081b574bd915a24eb5880749c36..322de6efcf3c984eeb75d18be117cb513f3f5f40 100644
--- a/chrome/browser/ui/views/download_item_view.cc
+++ b/chrome/browser/ui/views/download_item_view.cc
@@ -532,8 +532,7 @@ bool DownloadItemView::OnMouseDragged(const views::MouseEvent& event) {
   return true;
 }
 
-void DownloadItemView::OnMouseReleased(const views::MouseEvent& event,
-                                       bool canceled) {
+void DownloadItemView::OnMouseReleased(const views::MouseEvent& event) {
   // Mouse should not activate us in dangerous mode.
   if (IsDangerousMode())
     return;
@@ -552,6 +551,21 @@ void DownloadItemView::OnMouseReleased(const views::MouseEvent& event,
   SetState(NORMAL, NORMAL);
 }
 
+void DownloadItemView::OnMouseCaptureLost() {
+  // Mouse should not activate us in dangerous mode.
+  if (IsDangerousMode())
+    return;
+
+  if (dragging_) {
+    // Starting a drag results in a MouseReleased, we need to ignore it.
+    dragging_ = false;
+    starting_drag_ = false;
+    return;
+  }
+
+  SetState(NORMAL, NORMAL);
+}
+
 void DownloadItemView::OnMouseMoved(const views::MouseEvent& event) {
   // Mouse should not activate us in dangerous mode.
   if (IsDangerousMode())