Moved theme related state from BrowserInstantController to InstantService.

chrome/common/instant_types.cc

 // Copyright 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/common/instant_types.h"
 
 InstantSuggestion::InstantSuggestion()
     : behavior(INSTANT_COMPLETE_NOW),
       type(INSTANT_SUGGESTION_SEARCH),
       autocomplete_match_index(kNoMatchIndex) {
@@ skipping 29 matching lines @@
       color_a(0),
       image_horizontal_alignment(THEME_BKGRND_IMAGE_ALIGN_CENTER),
       image_vertical_alignment(THEME_BKGRND_IMAGE_ALIGN_CENTER),
       image_tiling(THEME_BKGRND_IMAGE_NO_REPEAT),
       image_height(0),
       has_attribution(false) {
 }
 
 ThemeBackgroundInfo::~ThemeBackgroundInfo() {
 }
+
+bool ThemeBackgroundInfo::operator==(const ThemeBackgroundInfo& rhs) const {
+  return color_r == rhs.color_r &&
+      color_g == rhs.color_g &&
+      color_b == rhs.color_b &&
+      color_a == rhs.color_a &&
+      theme_id == rhs.theme_id &&
+      image_horizontal_alignment == rhs.image_horizontal_alignment &&
+      image_vertical_alignment == rhs.image_vertical_alignment &&
+      image_tiling == rhs.image_tiling &&
+      image_height == rhs.image_height &&
+      has_attribution == rhs.has_attribution;
+}