Limit display of the virtual keyboard to state changes triggered from a user gesture.

ui/base/ime/input_method_base_unittest.cc

 // Copyright 2013 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 "ui/base/ime/input_method_base.h"
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 187 matching lines @@
   }
   virtual void OnFocus() OVERRIDE {
   }
   virtual void OnBlur() OVERRIDE {
   }
   virtual void OnCaretBoundsChanged(const TextInputClient* client) OVERRIDE {
   }
   virtual void OnTextInputStateChanged(const TextInputClient* client) OVERRIDE {
     verifier_->OnTextInputStateChanged(client);
   }
+  virtual void OnShowImeIfNeeded() OVERRIDE {
+  }
   virtual void OnInputMethodDestroyed(const InputMethod* client) OVERRIDE {
   }
 
   ClientChangeVerifier* verifier_;
   DISALLOW_COPY_AND_ASSIGN(MockInputMethodObserver);
 };
 
 class MockTextInputClient : public DummyTextInputClient {
  public:
   MockTextInputClient()
@@ skipping 169 matching lines @@
   // If InputMethod is deleted immediately after an event happens, but before
   // its callback is invoked, the callback will be cancelled.
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(1, text_input_client.shown_event_count());
   EXPECT_EQ(1, text_input_client.updated_event_count());
   EXPECT_EQ(1, text_input_client.hidden_event_count());
 }
 
 }  // namespace
 }  // namespace ui