Integrate the new input method API for Views into Chromium.

views/controls/textfield/native_textfield_views.h

Index: views/controls/textfield/native_textfield_views.h
diff --git a/views/controls/textfield/native_textfield_views.h b/views/controls/textfield/native_textfield_views.h
index a28dc697911ec6c4a29b7bad0b7bb42ba724ef2e..4095f0b22d2251b0f84f9123f81cfdf29b9d5a72 100644
--- a/views/controls/textfield/native_textfield_views.h
+++ b/views/controls/textfield/native_textfield_views.h
@@ -12,6 +12,8 @@
 #include "ui/gfx/font.h"
 #include "views/border.h"
 #include "views/controls/textfield/native_textfield_wrapper.h"
+#include "views/controls/textfield/textfield_views_model.h"
+#include "views/ime/text_input_client.h"
 #include "views/view.h"
 
 namespace base {
@@ -26,7 +28,6 @@ namespace views {
 
 class KeyEvent;
 class Menu2;
-class TextfieldViewsModel;
 
 // A views/skia only implementation of NativeTextfieldWrapper.
 // No platform specific code is used.
@@ -41,7 +42,9 @@ class TextfieldViewsModel;
 class NativeTextfieldViews : public views::View,
                              public views::ContextMenuController,
                              public NativeTextfieldWrapper,
-                             public ui::SimpleMenuModel::Delegate {
+                             public ui::SimpleMenuModel::Delegate,
+                             public TextInputClient,
+                             public TextfieldViewsModel::Delegate {
  public:
   explicit NativeTextfieldViews(Textfield* parent);
   ~NativeTextfieldViews();
@@ -92,6 +95,7 @@ class NativeTextfieldViews : public views::View,
   virtual bool HandleKeyReleased(const views::KeyEvent& e) OVERRIDE;
   virtual void HandleFocus() OVERRIDE;
   virtual void HandleBlur() OVERRIDE;
+  virtual TextInputClient* GetTextInputClient() OVERRIDE;
 
   // ui::SimpleMenuModel::Delegate overrides
   virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
@@ -149,6 +153,30 @@ class NativeTextfieldViews : public views::View,
     DISALLOW_COPY_AND_ASSIGN(TextfieldBorder);
   };
 
+  // Overridden from TextInputClient:
+  virtual void SetComposition(const ui::Composition& composition) OVERRIDE;
+  virtual void ConfirmComposition() OVERRIDE;
+  virtual void ClearComposition() OVERRIDE;
+  virtual void InsertText(const string16& text) OVERRIDE;
+  virtual void InsertChar(char16 ch, int flags) OVERRIDE;
+  virtual ui::TextInputType GetTextInputType() OVERRIDE;
+  virtual gfx::Rect GetCaretBounds() OVERRIDE;
+  virtual bool HasComposition() OVERRIDE;
+  virtual bool GetTextRange(ui::Range* range) OVERRIDE;
+  virtual bool GetCompositionRange(ui::Range* range) OVERRIDE;
+  virtual bool GetSelectionRange(ui::Range* range) OVERRIDE;
+  virtual bool SetSelectionRange(const ui::Range& range) OVERRIDE;
+  virtual bool DeleteRange(const ui::Range& range) OVERRIDE;
+  virtual bool GetTextFromRange(
+      const ui::Range& range,
+      const base::Callback<void(string16)>& callback) OVERRIDE;
+  virtual void OnInputMethodChanged() OVERRIDE;
+  virtual bool ChangeTextDirectionAndLayoutAlignment(
+      base::i18n::TextDirection direction) OVERRIDE;
+
+  // Overridden from TextfieldViewsModel::Delegate:
+  virtual void OnCompositionConfirmedOrCleared() OVERRIDE;
+
   // Returns the Textfield's font.
   const gfx::Font& GetFont() const;
 
@@ -190,6 +218,15 @@ class NativeTextfieldViews : public views::View,
   // Utility function to create the context menu if one does not already exist.
   void InitContextMenuIfRequired();
 
+  // Convenience method to call InputMethod::OnTextInputTypeChanged();
+  void OnTextInputTypeChanged();
+
+  // Convenience method to call InputMethod::OnCaretBoundsChanged();
+  void OnCaretBoundsChanged();
+
+  // Convenience method to call InputMethod::CancelComposition();
+  void CancelComposition();
+
   // Convenience method to call TextfieldController::OnBeforeUserAction();
   void OnBeforeUserAction();
 
@@ -220,6 +257,9 @@ class NativeTextfieldViews : public views::View,
   // The drawing state of cursor. True to draw.
   bool is_cursor_visible_;
 
+  // True if CancelComposition() should not be called.
+  bool skip_cancel_composition_;
+
   // A runnable method factory for callback to update the cursor.
   ScopedRunnableMethodFactory<NativeTextfieldViews> cursor_timer_;