Clean Up: Remove mozc.candidate attachment field handling.

chromeos/dbus/ibus/ibus_lookup_table.cc

Index: chromeos/dbus/ibus/ibus_lookup_table.cc
diff --git a/chromeos/dbus/ibus/ibus_lookup_table.cc b/chromeos/dbus/ibus/ibus_lookup_table.cc
index 0c732451d920d39cb818e77b8ed6cd1b9b3e90cc..21b894a4bcdf9b3b78a3b669a9ea3a4ce56b4618 100644
--- a/chromeos/dbus/ibus/ibus_lookup_table.cc
+++ b/chromeos/dbus/ibus/ibus_lookup_table.cc
@@ -78,7 +78,7 @@ bool PopIBusLookupTable(dbus::MessageReader* reader, IBusLookupTable* table) {
                  << "The 1st dictionary entry should be string.";
       return false;
     }
-    if (key != "mozc.candidates")
+    if (key != "show_window_at_composition")
       continue;
 
     dbus::MessageReader variant_reader(NULL);
@@ -95,16 +95,11 @@ bool PopIBusLookupTable(dbus::MessageReader* reader, IBusLookupTable* table) {
       return false;
     }
 
-    uint8* bytes = NULL;
-    size_t length = 0;
-    if (!sub_variant_reader.PopArrayOfBytes(&bytes, &length)) {
-      LOG(ERROR) << "Invalid mozc.candidates structure: "
-                 << "The mozc.candidates contains array of bytes.";
-      return false;
-    }
+    bool show_window_at_composition = false;
+    if (!sub_variant_reader.PopBool(&show_window_at_composition))
+      continue;  // Ignores other field.
 
-    table->set_serialized_mozc_candidates_data(
-        std::string(reinterpret_cast<char*>(bytes), length));
+    table->set_show_window_at_composition(show_window_at_composition);
   }
 
   uint32 page_size = 0;