Remove candidate show/hide/update related code

ui/base/ime/text_input_client.h

Index: ui/base/ime/text_input_client.h
diff --git a/ui/base/ime/text_input_client.h b/ui/base/ime/text_input_client.h
index c36acf1ee1e7e54989be389de8330ab42552ca11..736a14b4db9108862f212d199176cd96df0a174e 100644
--- a/ui/base/ime/text_input_client.h
+++ b/ui/base/ime/text_input_client.h
@@ -165,13 +165,6 @@ class UI_BASE_IME_EXPORT TextInputClient {
   // http://crbug.com/360334
   virtual void EnsureCaretInRect(const gfx::Rect& rect) = 0;
 
-  // Called when IME shows a candidate window.
-  virtual void OnCandidateWindowShown() = 0;
-  // Called when IME updates any appearance of the current candidate window.
-  virtual void OnCandidateWindowUpdated() = 0;
-  // Called when IME hides the candidate window.
-  virtual void OnCandidateWindowHidden() = 0;
-
   // Returns true if |command_id| is currently allowed to be executed.
   virtual bool IsEditCommandEnabled(int command_id) = 0;