Add ExtendSelectionAndDelete() method to ui::TextInputClient.

ui/base/ime/input_method_ibus_unittest.cc

 // Copyright (c) 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 <cstring>
 
 #include "base/i18n/char_iterator.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/utf_string_conversions.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
@@ skipping 196 matching lines @@
   virtual bool GetSelectionRange(Range* range) OVERRIDE { return false; }
   virtual bool SetSelectionRange(const Range& range) OVERRIDE { return false; }
   virtual bool DeleteRange(const Range& range) OVERRIDE { return false; }
   virtual bool GetTextFromRange(const Range& range,
                                 string16* text) OVERRIDE { return false; }
   virtual void OnInputMethodChanged() OVERRIDE {
     ++on_input_method_changed_call_count_;
   }
   virtual bool ChangeTextDirectionAndLayoutAlignment(
       base::i18n::TextDirection direction) OVERRIDE { return false; }
+  virtual void ExtendSelectionAndDelete(size_t before,
+                                        size_t after) OVERRIDE { }
 
   bool HasNativeEvent() const {
     base::NativeEvent empty;
     std::memset(&empty, 0, sizeof(empty));
     return !!std::memcmp(&dispatched_native_event_,
                          &empty,
                          sizeof(dispatched_native_event_));
   }
 
   void ResetFlags() {
@@ skipping 660 matching lines @@
             composition_text.underlines[0].start_offset);
   EXPECT_EQ(GetOffsetInUTF16(kSampleText, selection.end_index),
             composition_text.underlines[0].end_offset);
   EXPECT_EQ(SK_ColorBLACK, composition_text.underlines[0].color);
   EXPECT_TRUE(composition_text.underlines[0].thick);
 }
 
 // TODO(nona): Write more tests, especially for key event functions.
 
 }  // namespace ui