Prevent querying of restricted query values.

chrome/renderer/searchbox/searchbox_extension.cc

Index: chrome/renderer/searchbox/searchbox_extension.cc
diff --git a/chrome/renderer/searchbox/searchbox_extension.cc b/chrome/renderer/searchbox/searchbox_extension.cc
index 25c4e09c1cb55eb41e68681d7746a3f9d8f34710..b0bbe4473b29dfb3d3535b13a86a6f5f62139551 100644
--- a/chrome/renderer/searchbox/searchbox_extension.cc
+++ b/chrome/renderer/searchbox/searchbox_extension.cc
@@ -873,6 +873,9 @@ v8::Handle<v8::Value>
   std::vector<InstantSuggestion> suggestions;
   suggestions.push_back(InstantSuggestion(text, behavior, type));
   SearchBox::Get(render_view)->SetSuggestions(suggestions);
+  // Clear the SearchBox's query text explicitly since this is a restricted
+  // value.
+  SearchBox::Get(render_view)->ClearQuery();
 
   return v8::Undefined();
 }
@@ -919,6 +922,9 @@ v8::Handle<v8::Value>
   std::vector<InstantSuggestion> suggestions;
   suggestions.push_back(InstantSuggestion(text, behavior, type));
   SearchBox::Get(render_view)->SetSuggestions(suggestions);
+  // Clear the SearchBox's query text explicitly since this is a restricted
+  // value.
+  SearchBox::Get(render_view)->ClearQuery();
 
   return v8::Undefined();
 }