Prefix string16 with base:: in ui/.

ui/views/controls/image_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_IMAGE_VIEW_H_
 #define UI_VIEWS_CONTROLS_IMAGE_VIEW_H_
 
 #include "ui/gfx/image/image_skia.h"
 #include "ui/views/view.h"
 
@@ skipping 54 matching lines @@
 
   // Set / Get the horizontal alignment.
   void SetHorizontalAlignment(Alignment ha);
   Alignment GetHorizontalAlignment() const;
 
   // Set / Get the vertical alignment.
   void SetVerticalAlignment(Alignment va);
   Alignment GetVerticalAlignment() const;
 
   // Set / Get the tooltip text.
-  void SetTooltipText(const string16& tooltip);
-  string16 GetTooltipText() const;
+  void SetTooltipText(const base::string16& tooltip);
+  base::string16 GetTooltipText() const;
 
   void set_interactive(bool interactive) { interactive_ = interactive; }
 
   void SetFocusPainter(scoped_ptr<Painter> focus_painter);
 
   // Overriden from View:
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void OnFocus() OVERRIDE;
   virtual void OnBlur() OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
   virtual bool GetTooltipText(const gfx::Point& p,
-                              string16* tooltip) const OVERRIDE;
+                              base::string16* tooltip) const OVERRIDE;
   virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
 
  private:
   void OnPaintImage(gfx::Canvas* canvas);
 
   // Returns true if |img| is the same as the last image we painted. This is
   // intended to be a quick check, not exhaustive. In other words it's possible
   // for this to return false even though the images are in fact equal.
   bool IsImageEqual(const gfx::ImageSkia& img) const;
 
@@ skipping 10 matching lines @@
   // The underlying image.
   gfx::ImageSkia image_;
 
   // Horizontal alignment.
   Alignment horiz_alignment_;
 
   // Vertical alignment.
   Alignment vert_alignment_;
 
   // The current tooltip text.
-  string16 tooltip_text_;
+  base::string16 tooltip_text_;
 
   // A flag controlling hit test handling for interactivity.
   bool interactive_;
 
   // Scale last painted at.
   float last_paint_scale_;
 
   // Address of bytes we last painted. This is used only for comparison, so its
   // safe to cache.
   void* last_painted_bitmap_pixels_;
 
   scoped_ptr<views::Painter> focus_painter_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_IMAGE_VIEW_H_