alternate ntp: implement searchbox api for instant overlay to adopt themes

chrome/common/render_messages.h

 // 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.
 
 // Multiply-included file, no traditional include guard.
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 150 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(destination_url)
   IPC_STRUCT_TRAITS_MEMBER(relevance)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(InstantSuggestion)
   IPC_STRUCT_TRAITS_MEMBER(text)
   IPC_STRUCT_TRAITS_MEMBER(behavior)
   IPC_STRUCT_TRAITS_MEMBER(type)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(ThemeBackgroundInfo)
+  IPC_STRUCT_TRAITS_MEMBER(color_rgba)
+  IPC_STRUCT_TRAITS_MEMBER(image_url)
+  IPC_STRUCT_TRAITS_MEMBER(image_horizontal_alignment)
+  IPC_STRUCT_TRAITS_MEMBER(image_vertical_alignment)
+  IPC_STRUCT_TRAITS_MEMBER(image_tiling)
+  IPC_STRUCT_TRAITS_MEMBER(image_height)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_TRAITS_BEGIN(RendererContentSettingRules)
   IPC_STRUCT_TRAITS_MEMBER(image_rules)
   IPC_STRUCT_TRAITS_MEMBER(script_rules)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(WebKit::WebCache::ResourceTypeStat)
   IPC_STRUCT_TRAITS_MEMBER(count)
   IPC_STRUCT_TRAITS_MEMBER(size)
   IPC_STRUCT_TRAITS_MEMBER(liveSize)
   IPC_STRUCT_TRAITS_MEMBER(decodedSize)
@@ skipping 114 matching lines @@
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxUpOrDownKeyPressed,
                     int /* count */)
 
 IPC_MESSAGE_ROUTED0(ChromeViewMsg_SearchBoxFocus)
 
 IPC_MESSAGE_ROUTED0(ChromeViewMsg_SearchBoxBlur)
 
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxActiveTabModeChanged,
                     bool /* active_tab_is_ntp */)
 
+IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxThemeChanged,
+                    ThemeBackgroundInfo /* value */)
+
+IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxThemeAreaHeightChanged,
+                    int /* height */)
+
 // Toggles visual muting of the render view area. This is on when a constrained
 // window is showing.
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SetVisuallyDeemphasized,
                     bool /* deemphazied */)
 
 // Tells the renderer to translate the page contents from one language to
 // another.
 IPC_MESSAGE_ROUTED4(ChromeViewMsg_TranslatePage,
                     int /* page id */,
                     std::string, /* the script injected in the page */
@@ skipping 340 matching lines @@
 // previous SetCookie message to be processed.
 IPC_SYNC_MESSAGE_ROUTED2_1(ChromeViewHostMsg_GetCookies,
                            GURL /* url */,
                            GURL /* first_party_for_cookies */,
                            std::string /* cookies */)
 
 // Provide the browser process with current renderer framerate.
 IPC_MESSAGE_CONTROL2(ChromeViewHostMsg_FPS,
                      int /* routing id */,
                      float /* frames per second */)