[Android] Show autofill popup after animation.

ui/base/ime/input_method.h

Index: ui/base/ime/input_method.h
diff --git a/ui/base/ime/input_method.h b/ui/base/ime/input_method.h
index 164b1f1a7e80ceb53cb0d8a66f877a353341bb65..888a955a42e49a757fef922cf66a2f28e8d5aedd 100644
--- a/ui/base/ime/input_method.h
+++ b/ui/base/ime/input_method.h
@@ -161,6 +161,14 @@ class InputMethod {
   // Displays an on screen keyboard if enabled.
   virtual void ShowImeIfNeeded() = 0;
 
+  // Sets whether the on screen keyboard is enabled and supported by the
+  // platform.
+  virtual void SetSupportsOnScreenKeyboard(bool supported) = 0;

[yukawa, 2014/12/24 03:09:49]

I'm still unsure why we need setter for this property.  Why is this mutable?

+
+  // Returns true if on screen keyboard is enabled and supported by the
+  // platform.
+  virtual bool SupportsOnScreenKeyboard() const = 0;

[yukawa, 2014/12/24 03:09:49]

Related to the above comment, if the return value of this method may change at
run-time, maybe we may want to clarify with method name and/or comments.

+
   // Management of the observer list.
   virtual void AddObserver(InputMethodObserver* observer) = 0;
   virtual void RemoveObserver(InputMethodObserver* observer) = 0;