Don't show downloads from web intents picker in shelf

chrome/browser/download/download_util.cc

Index: chrome/browser/download/download_util.cc
diff --git a/chrome/browser/download/download_util.cc b/chrome/browser/download/download_util.cc
index d043c220ea4448b0692e9e4435522888d81c84a7..3c8b59d017796e061383970319bca085eb990725 100644
--- a/chrome/browser/download/download_util.cc
+++ b/chrome/browser/download/download_util.cc
@@ -75,6 +75,21 @@
 
 namespace {
 
+// Key used to attach ShowInShelfData to a DownloadItem.
+const char kShowInShelfKey[] = "chrome.download_util.show_in_shelf";
+
+// Class that tracks the "show in download shelf" setting for a download item.
+class ShowInShelfData : public base::SupportsUserData::Data {
+ public:
+  explicit ShowInShelfData(bool should_show) : should_show_(should_show) {
+  }
+
+  bool should_show() const { return should_show_; }
+
+ private:
+  const bool should_show_;
+};
+
 // Get the opacity based on |animation_progress|, with values in [0.0, 1.0].
 // Range of return value is [0, 255].
 int GetOpacity(double animation_progress) {
@@ -480,4 +495,14 @@ void RecordDownloadSource(ChromeDownloadSource source) {
       "Download.SourcesChrome", source, CHROME_DOWNLOAD_SOURCE_LAST_ENTRY);
 }
 
+bool ShouldShowInShelf(content::DownloadItem* item) {
+  ShowInShelfData* data =
+      static_cast<ShowInShelfData*>(item->GetUserData(kShowInShelfKey));
+  return !data || data->should_show();
+}
+
+void SetShouldShowInShelf(content::DownloadItem* item, bool should_show) {
+  item->SetUserData(kShowInShelfKey, new ShowInShelfData(should_show));
+}
+
 }  // namespace download_util