Implement minimal IconManager and IconLoader for Android.

chrome/browser/icon_loader_android.cc

Index: chrome/browser/icon_loader_android.cc
diff --git a/chrome/browser/icon_loader_android.cc b/chrome/browser/icon_loader_android.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e4867e0bf96650d9d89b0f4df3507e75c77e5d4c
--- /dev/null
+++ b/chrome/browser/icon_loader_android.cc
@@ -0,0 +1,10 @@
+// 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 "base/logging.h"
+#include "chrome/browser/icon_loader.h"
+
+void IconLoader::ReadIcon() {
+  NOTIMPLEMENTED();
+}