Add default icon to app_host.exe, and use it in shortcuts during installation.

chrome/installer/util/chrome_frame_distribution.cc

Index: chrome/installer/util/chrome_frame_distribution.cc
diff --git a/chrome/installer/util/chrome_frame_distribution.cc b/chrome/installer/util/chrome_frame_distribution.cc
index 73d4d143ee9f51cfc500eed11df7fc40a529d916..712ef3a702de8ff27841e79b1fdf033aa42cd0e5 100644
--- a/chrome/installer/util/chrome_frame_distribution.cc
+++ b/chrome/installer/util/chrome_frame_distribution.cc
@@ -112,6 +112,14 @@ string16 ChromeFrameDistribution::GetVersionKey() {
   return key;
 }
 
+string16 ChromeFrameDistribution::GetIconFilename() {
+  return installer::kChromeExe;
+}
+
+int ChromeFrameDistribution::GetIconIndex() {
+  return 0;
+}
+
 bool ChromeFrameDistribution::CanSetAsDefault() {
   return false;
 }