Add support for components/ntp_tiles in InstantService

chrome/renderer/searchbox/searchbox_extension.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/renderer/searchbox/searchbox_extension.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
@@ skipping 151 matching lines @@
   obj->Set(v8::String::NewFromUtf8(isolate, "renderViewId"),
            v8::Int32::New(isolate, render_view_id));
   obj->Set(v8::String::NewFromUtf8(isolate, "rid"),
            v8::Int32::New(isolate, restricted_id));
 
   // If the suggestion already has a suggested thumbnail, we create an thumbnail
   // array with both the local thumbnail and the proposed one.
   // Otherwise, we just create an array with the generated one.
   if (!mv_item.thumbnail.spec().empty()) {
     v8::Local<v8::Array> thumbs = v8::Array::New(isolate, 2);
+    // Note: The "thumb2" source captures a thumbnail on the next visit.
     thumbs->Set(0, GenerateThumb2URL(isolate, mv_item.url.spec()));
     thumbs->Set(1, UTF8ToV8String(isolate, mv_item.thumbnail.spec()));
     obj->Set(v8::String::NewFromUtf8(isolate, "thumbnailUrls"), thumbs);
   } else {
     v8::Local<v8::Array> thumbs = v8::Array::New(isolate, 1);
     thumbs->Set(0,
                 GenerateThumbnailURL(isolate, render_view_id, restricted_id));
     obj->Set(v8::String::NewFromUtf8(isolate, "thumbnailUrls"), thumbs);
   }
 
   // If the suggestion already has a favicon, we populate the element with it.
   if (!mv_item.favicon.spec().empty()) {
     obj->Set(v8::String::NewFromUtf8(isolate, "faviconUrl"),
              UTF8ToV8String(isolate, mv_item.favicon.spec()));
   }
 
+  obj->Set(v8::String::NewFromUtf8(isolate, "tileSource"),
+           v8::Integer::New(isolate, static_cast<int>(mv_item.source)));
+
   if (IsIconNTPEnabled()) {
     // Update website http://www.chromium.org/embeddedsearch when we make this
     // permanent.
     // Large icon size is 48px * window.devicePixelRatio. This is easier to set
     // from JS, where IsIconNTPEnabled() is not available. So we add stubs
     // here, and let JS fill in details.
     obj->Set(v8::String::NewFromUtf8(isolate, "largeIconUrl"),
              v8::String::NewFromUtf8(isolate, "chrome-search://large-icon/"));
     obj->Set(v8::String::NewFromUtf8(isolate, "fallbackIconUrl"),
         v8::String::NewFromUtf8(isolate, "chrome-search://fallback-icon/"));
@@ skipping 909 matching lines @@
     ThrowInvalidParameters(args);
     return;
   }
 
   DVLOG(1) << render_view << " UndoMostVisitedDeletion";
   SearchBox::Get(render_view)
       ->UndoMostVisitedDeletion(args[0]->ToInteger()->Value());
 }
 
 }  // namespace extensions_v8