Use web app icon as ICON_BIG for Windows

- Add a WindowDelegate::GetWindowAppIcon for BrowserView to expose an
  icon to use as ICON_BIG;
- Add an app_icon_ memeber and accessor functions to TabContents;
- Update/Set the app_icon_ of TabContents when web app icon is
  downloaded for converting a tab to app or for chrome web app shortcuts
  update (this happens when chrome is opened as an app;
- Use the app icon as ICON_BIG in WindowWin::UpdateWindowIcon;

BUG=32039
TEST=Verify fix for issue 32039 and also Alt-Tab list on XP/Vista uses big icon.

Review URL: http://codereview.chromium.org/668265

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@40962 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 1 insertions, 0 deletions

diff --git a/chrome/browser/web_applications/web_app.cc b/chrome/browser/web_applications/web_app.cc
index b4ec742..0a9f582 100644
--- a/chrome/browser/web_applications/web_app.cc
+++ b/chrome/browser/web_applications/web_app.cc
@@ -520,6 +520,7 @@ void UpdateShortcutWorker::OnIconDownloaded(int download_id,
   if (!errored && !image.isNull()) {
     // Update icon with download image and update shortcut.
     shortcut_info_.favicon = image;
+    tab_contents_->SetAppIcon(image);
     UpdateShortcuts();
   } else {
     // Try the next icon otherwise.