Enabled the "search web for image" context menu item when "Yandex"

chrome/browser/ui/tab_contents/core_tab_helper.cc

Index: chrome/browser/ui/tab_contents/core_tab_helper.cc
diff --git a/chrome/browser/ui/tab_contents/core_tab_helper.cc b/chrome/browser/ui/tab_contents/core_tab_helper.cc
index 0e52c8dc14589e30a60777fd86bccb0cfafae8d3..efafe7bee3d84b4b806ea6fb00d4bee409e4217a 100644
--- a/chrome/browser/ui/tab_contents/core_tab_helper.cc
+++ b/chrome/browser/ui/tab_contents/core_tab_helper.cc
@@ -244,6 +244,7 @@ bool CoreTabHelper::OnMessageReceived(
 // request based on the received thumbnail and opens the request in a new tab.
 void CoreTabHelper::OnRequestThumbnailForContextNodeACK(
     const std::string& thumbnail_data,
+    const std::string& thumbnail_format,
     const gfx::Size& original_size) {
   if (thumbnail_data.empty())
     return;
@@ -263,6 +264,7 @@ void CoreTabHelper::OnRequestThumbnailForContextNodeACK(
   TemplateURLRef::SearchTermsArgs search_args =
       TemplateURLRef::SearchTermsArgs(base::string16());
   search_args.image_thumbnail_content = thumbnail_data;
+  search_args.image_thumbnail_format = thumbnail_format;
   // TODO(jnd): Add a method in WebContentsViewDelegate to get the image URL
   // from the ContextMenuParams which creates current context menu.
   search_args.image_url = GURL();