Support a private event - inputMethodPrivate.onCompositionBoundsChanged so that component IME exten…

chrome/browser/chromeos/input_method/input_method_engine_unittest.cc

 // Copyright 2014 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 "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/test/histogram_tester.h"
 #include "chrome/browser/chromeos/input_method/input_method_configuration.h"
@@ skipping 79 matching lines @@
       int candidate_id,
       InputMethodEngineInterface::MouseButtonEvent button) override {}
   virtual void OnMenuItemActivated(
       const std::string& engine_id,
       const std::string& menu_id) override {}
   virtual void OnSurroundingTextChanged(
       const std::string& engine_id,
       const std::string& text,
       int cursor_pos,
       int anchor_pos) override {}
+  virtual void OnCompositionBoundsChanged(const gfx::Rect& bounds) override {}

[Yuki, 2014/10/24 09:52:33]

It would be great if we can have a test.
Very very simple one satisfies.

[Shu Chen, 2014/10/24 15:38:06]

Done.

   virtual void OnReset(const std::string& engine_id) override {}
 
   unsigned char GetCallsBitmapAndReset() {
     unsigned char ret = calls_bitmap_;
     calls_bitmap_ = NONE;
     return ret;
   }
 
  private:
   unsigned char calls_bitmap_;
@@ skipping 135 matching lines @@
                       &error);
   engine_->CommitText(1, "input\xE5\x85\xA5\xE5\x8A\x9B", &error);
   histograms.ExpectTotalCount("InputMethod.CommitLength", 3);
   histograms.ExpectBucketCount("InputMethod.CommitLength", 5, 1);
   histograms.ExpectBucketCount("InputMethod.CommitLength", 2, 1);
   histograms.ExpectBucketCount("InputMethod.CommitLength", 7, 1);
 }
 
 }  // namespace input_method
 }  // namespace chromeos