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

chrome/browser/ui/browser.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // defined(OS_WIN)
@@ skipping 416 matching lines @@
   // Set the app user model id for this application to that of the application
   // name.  See http://crbug.com/7028.
   ui::win::SetAppIdForWindow(
       is_app() && !is_type_panel() ?
       ShellIntegration::GetAppModelIdForProfile(UTF8ToWide(app_name_),
                                                 profile_->GetPath()) :
       ShellIntegration::GetChromiumModelIdForProfile(profile_->GetPath()),
       window()->GetNativeWindow());
 
   if (is_type_panel()) {
-    ui::win::SetAppIconForWindow(ShellIntegration::GetChromiumIconPath(),
+    ui::win::SetAppIconForWindow(ShellIntegration::GetChromiumIconString(),
                                  window()->GetNativeWindow());
   }
 #endif
 
   // Create the extension window controller before sending notifications.
   extension_window_controller_.reset(
       new BrowserExtensionWindowController(this));
 
   // TODO(beng): Move BrowserList::AddBrowser() to the end of this function and
   //             replace uses of this with BL's notifications.
@@ skipping 1899 matching lines @@
   if (contents && !allow_js_access) {
     contents->web_contents()->GetController().LoadURL(
         target_url,
         content::Referrer(),
         content::PAGE_TRANSITION_LINK,
         std::string());  // No extra headers.
   }
 
   return contents != NULL;
 }