Implement minimal IconManager and IconLoader for Android.

chrome/browser/icon_manager_android.cc

Index: chrome/browser/icon_manager_android.cc
diff --git a/chrome/browser/icon_manager_android.cc b/chrome/browser/icon_manager_android.cc
new file mode 100644
index 0000000000000000000000000000000000000000..787d21cc42dec0ea6e1118f15f783e3ab2225dcb
--- /dev/null
+++ b/chrome/browser/icon_manager_android.cc
@@ -0,0 +1,11 @@
+// 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_manager.h"
+
+IconGroupID IconManager::GetGroupIDFromFilepath(const FilePath& filepath) {
+  NOTIMPLEMENTED();
+  return 0;
+}