Extends IBusLookupTable to handle IsEqual/CopyFrom.

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 eba15108d3ff6caec558aac014f3e738126b5796..e44d046611b2d16dade9a8352624f1cbd99f712c 100644
--- a/chromeos/dbus/ibus/ibus_lookup_table.cc
+++ b/chromeos/dbus/ibus/ibus_lookup_table.cc
@@ -184,13 +184,45 @@ IBusLookupTable::IBusLookupTable()
     : page_size_(kDefaultPageSize),
       cursor_position_(0),
       is_cursor_visible_(true),
-      orientation_(IBUS_LOOKUP_TABLE_ORIENTATION_HORIZONTAL),
+      orientation_(HORIZONTAL),
       show_window_at_composition_(false) {
 }
 
 IBusLookupTable::~IBusLookupTable() {
 }
 
+bool IBusLookupTable::IsEqual(const IBusLookupTable& table) const {
+  if (page_size_ != table.page_size_ ||
+      cursor_position_ != table.cursor_position_ ||
+      is_cursor_visible_ != table.is_cursor_visible_ ||
+      orientation_ != table.orientation_ ||
+      show_window_at_composition_ != table.show_window_at_composition_ ||
+      candidates_.size() != table.candidates_.size())
+    return false;
+
+  for (size_t i = 0; i < candidates_.size(); ++i) {
+    const Entry& left = candidates_[i];
+    const Entry& right = table.candidates_[i];
+    if (left.value != right.value ||
+        left.label != right.label ||
+        left.annotation != right.annotation ||
+        left.description_title != right.description_title ||
+        left.description_body != right.description_body)
+      return false;
+  }
+  return true;
+}
+
+void IBusLookupTable::CopyFrom(const IBusLookupTable& table) {
+  page_size_ = table.page_size_;
+  cursor_position_ = table.cursor_position_;
+  is_cursor_visible_ = table.is_cursor_visible_;
+  orientation_ = table.orientation_;
+  show_window_at_composition_ = table.show_window_at_composition_;
+  candidates_.clear();
+  candidates_ = table.candidates_;
+}
+
 IBusLookupTable::Entry::Entry() {
 }