Add GetTextInputMode function to TextInputClient.

ui/keyboard/keyboard_controller_unittest.cc

Index: ui/keyboard/keyboard_controller_unittest.cc
diff --git a/ui/keyboard/keyboard_controller_unittest.cc b/ui/keyboard/keyboard_controller_unittest.cc
index b0b40011ec01bea8f23b2a40d29cf6c456c56783..0187c638bd48c3d556d3cd99ca9670ab5f1e0608 100644
--- a/ui/keyboard/keyboard_controller_unittest.cc
+++ b/ui/keyboard/keyboard_controller_unittest.cc
@@ -123,6 +123,9 @@ class TestTextInputClient : public ui::TextInputClient {
   virtual ui::TextInputType GetTextInputType() const OVERRIDE {
     return type_;
   }
+  virtual ui::TextInputMode GetTextInputMode() const OVERRIDE {
+    return ui::TEXT_INPUT_MODE_DEFAULT;
+  }
   virtual bool CanComposeInline() const OVERRIDE { return false; }
   virtual gfx::Rect GetCaretBounds() OVERRIDE { return gfx::Rect(); }