Remove the 2-level input method system & InputMethodBridge.

ui/views/controls/tree/tree_view.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_CONTROLS_TREE_TREE_VIEW_VIEWS_H_
 #define UI_VIEWS_CONTROLS_TREE_TREE_VIEW_VIEWS_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 106 matching lines @@
   // Maps a node to a row, returns -1 if node is not valid.
   int GetRowForNode(ui::TreeModelNode* node);
 
   views::Textfield* editor() { return editor_; }
 
   // View overrides:
   void Layout() override;
   gfx::Size GetPreferredSize() const override;
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
   bool OnMousePressed(const ui::MouseEvent& event) override;
-  ui::TextInputClient* GetTextInputClient() override;
   void OnGestureEvent(ui::GestureEvent* event) override;
   void ShowContextMenu(const gfx::Point& p,
                        ui::MenuSourceType source_type) override;
   void GetAccessibleState(ui::AXViewState* state) override;
   const char* GetClassName() const override;
 
   // TreeModelObserver overrides:
   void TreeNodesAdded(ui::TreeModel* model,
                       ui::TreeModelNode* parent,
                       int start,
@@ skipping 185 matching lines @@
   void CollapseOrSelectParent();
 
   // If the selected node is collapsed, it's expanded. Otherwise the first child
   // is seleected.
   void ExpandOrSelectChild();
 
   // Implementation of Expand(). Returns true if at least one node was expanded
   // that previously wasn't.
   bool ExpandImpl(ui::TreeModelNode* model_node);
 
+  PrefixSelector* GetPrefixSelector();
+
   // The model, may be null.
   ui::TreeModel* model_;
 
   // Default icons for closed/open.
   gfx::ImageSkia closed_icon_;
   gfx::ImageSkia open_icon_;
 
   // Icons from the model.
   std::vector<gfx::ImageSkia> icons_;
 
@@ skipping 43 matching lines @@
   int text_offset_;
 
   scoped_ptr<PrefixSelector> selector_;
 
   DISALLOW_COPY_AND_ASSIGN(TreeView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TREE_TREE_VIEW_VIEWS_H_