RenderText API Outline.

views/controls/textfield/native_textfield_wrapper.h

Index: views/controls/textfield/native_textfield_wrapper.h
diff --git a/views/controls/textfield/native_textfield_wrapper.h b/views/controls/textfield/native_textfield_wrapper.h
index 8d694eb48f9fc709dee689b31a7c8d8e19e32fb1..6cef09f14a99dcdf3cdd320ae66d7448cd26183f 100644
--- a/views/controls/textfield/native_textfield_wrapper.h
+++ b/views/controls/textfield/native_textfield_wrapper.h
@@ -11,6 +11,7 @@
 
 namespace gfx {
 class Insets;
+struct StyleRange;
 }  // namespace gfx
 
 namespace ui {
@@ -22,7 +23,6 @@ namespace views {
 class KeyEvent;
 class Textfield;
 class TextInputClient;
-class TextStyle;
 class View;
 
 // An interface implemented by an object that provides a platform-native
@@ -126,17 +126,12 @@ class NativeTextfieldWrapper {
   // support text input.
   virtual TextInputClient* GetTextInputClient() = 0;
 
-  // Creates a new TextStyle for this textfield.
-  // See |Textfield::CreateTextStyle| for detail.
-  virtual TextStyle* CreateTextStyle() = 0;
+  // Applies the |style| to the text specified by its range.
+  // See |Textfield::ApplyStyleRange| for detail.
+  virtual void ApplyStyleRange(const gfx::StyleRange& style) = 0;
 
-  // Applies the |style| to the text specified by the |range|.
-  // See |Textfield::ApplyTextStyle| for detail.
-  virtual void ApplyTextStyle(const TextStyle* style,
-                              const ui::Range& range) = 0;
-
-  // Clears all text styles in this textfield.
-  virtual void ClearAllTextStyles() = 0;
+  // Applies the default style to the textfield.
+  virtual void ApplyDefaultStyle() = 0;
 
   // Clears Edit history.
   virtual void ClearEditHistory() = 0;