Add custom default theme support and create a managed user default theme.

chrome/browser/managed_mode/managed_user_theme.cc

+// Copyright 2013 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/managed_mode/managed_user_theme.h"
+
+#include "chrome/browser/themes/theme_properties.h"
+#include "grit/theme_resources.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/gfx/image/image.h"
+
+namespace {
+const SkColor kDefaultColorFrameManagedUser = SkColorSetRGB(165, 197, 225);
+const SkColor kDefaultColorFrameManagedUserInactive =
+    SkColorSetRGB(180, 225, 247);
+}  // namespace
+
+ManagedUserTheme::ManagedUserTheme()
+    : CustomThemeSupplier(MANAGED_USER_THEME) {}
+
+ManagedUserTheme::~ManagedUserTheme() {}
+
+bool ManagedUserTheme::GetColor(int id, SkColor* color) const {
+  if (id == ThemeProperties::COLOR_FRAME) {

[Pam (message me for reviews), 2013/07/23 10:14:17]

How about a switch statement?

[Adrian Kuegel, 2013/07/23 10:26:37]

Done.

+    *color = kDefaultColorFrameManagedUser;
+    return true;
+  }
+  if (id == ThemeProperties::COLOR_FRAME_INACTIVE) {
+    *color = kDefaultColorFrameManagedUserInactive;
+    return true;
+  }
+  if (id == ThemeProperties::COLOR_MANAGED_USER_LABEL) {
+    *color = SK_ColorWHITE;
+    return true;
+  }
+  if (id == ThemeProperties::COLOR_MANAGED_USER_LABEL_BACKGROUND) {
+    *color = SkColorSetRGB(108, 167, 210);
+    return true;
+  }
+  return false;
+}
+
+gfx::Image ManagedUserTheme::GetImageNamed(int id) {
+  if (!HasCustomImage(id))
+    return gfx::Image();
+
+  if (id == IDR_THEME_FRAME)
+    id = IDR_MANAGED_USER_THEME_FRAME;
+  else if (id == IDR_THEME_FRAME_INACTIVE)
+    id = IDR_MANAGED_USER_THEME_FRAME_INACTIVE;
+  else if (id == IDR_THEME_TAB_BACKGROUND || id == IDR_THEME_TAB_BACKGROUND_V)
+    id = IDR_MANAGED_USER_THEME_TAB_BACKGROUND;
+  return ResourceBundle::GetSharedInstance().GetNativeImageNamed(id);
+}
+
+bool ManagedUserTheme::HasCustomImage(int id) const {
+  return (id == IDR_THEME_FRAME || id == IDR_THEME_FRAME_INACTIVE ||

[Pam (message me for reviews), 2013/07/23 10:14:17]

Please split this at each || for clarity.

[Adrian Kuegel, 2013/07/23 10:26:37]

Done.

+          id == IDR_THEME_TAB_BACKGROUND || id == IDR_THEME_TAB_BACKGROUND_V);
+}