downloads: clicking "remove" on chrome://downloads should also hide shelf item.

chrome/browser/ui/views/download/download_shelf_view.cc

Index: chrome/browser/ui/views/download/download_shelf_view.cc
diff --git a/chrome/browser/ui/views/download/download_shelf_view.cc b/chrome/browser/ui/views/download/download_shelf_view.cc
index 9f7d42cb753ce5322acac398283fc74ca674fc84..b0b5ea521b6531a805de8da0649f24ef22acd8f1 100644
--- a/chrome/browser/ui/views/download/download_shelf_view.cc
+++ b/chrome/browser/ui/views/download/download_shelf_view.cc
@@ -127,8 +127,7 @@ void DownloadShelfView::AddDownloadView(DownloadItemView* view) {
 }
 
 void DownloadShelfView::DoAddDownload(DownloadItem* download) {
-  DownloadItemView* view = new DownloadItemView(download, this);
-  AddDownloadView(view);
+  AddDownloadView(new DownloadItemView(download, this));
 }
 
 void DownloadShelfView::MouseMovedOutOfHost() {
@@ -366,6 +365,15 @@ void DownloadShelfView::ButtonPressed(
   Close(USER_ACTION);
 }
 
+void DownloadShelfView::RemoveDownload(DownloadItem* download) {
+  for (size_t i = 0; i < download_views_.size(); ++i) {
+    if (download_views_[i]->download() == download) {
+      RemoveDownloadView(download_views_[i]);
+      return;
+    }
+  }
+}
+
 bool DownloadShelfView::IsShowing() const {
   return visible() && shelf_animation_->IsShowing();
 }