views: Use ClipTransformRecorder to access canvas in ProfileChooserView

ui/views/view.cc

 // 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.
 
 #define _USE_MATH_DEFINES // For VC++ to get M_PI. This has to be first.
 
 #include "ui/views/view.h"
 
 #include <algorithm>
 #include <cmath>
@@ skipping 762 matching lines @@
     if (!context.IsRectInvalidated(GetLocalBounds()))
       return;
   }
 
   TRACE_EVENT1("views", "View::Paint", "class", GetClassName());
 
   // If the view is backed by a layer, it should paint with itself as the origin
   // rather than relative to its parent.
   scoped_ptr<ui::ClipTransformRecorder> clip_transform_recorder;
   if (!layer()) {
+    clip_transform_recorder.reset(new ui::ClipTransformRecorder(context));
+
     // Set the clip rect to the bounds of this View. Note that the X (or left)
     // position we pass to ClipRect takes into consideration whether or not the
     // View uses a right-to-left layout so that we paint the View in its
     // mirrored position if need be.
     gfx::Rect clip_rect_in_parent = bounds();
     clip_rect_in_parent.Inset(clip_insets_);
     if (parent_)
       clip_rect_in_parent.set_x(
           parent_->GetMirroredXForRect(clip_rect_in_parent));
+    clip_transform_recorder->ClipRect(clip_rect_in_parent);
 
     // Translate the graphics such that 0,0 corresponds to where
     // this View is located relative to its parent.
     gfx::Transform transform_from_parent;
     gfx::Vector2d offset_from_parent = GetMirroredPosition().OffsetFromOrigin();
     transform_from_parent.Translate(offset_from_parent.x(),
                                     offset_from_parent.y());
     transform_from_parent.PreconcatTransform(GetTransform());
-
-    clip_transform_recorder = make_scoped_ptr(new ui::ClipTransformRecorder(
-        context, clip_rect_in_parent, transform_from_parent));
+    clip_transform_recorder->Transform(transform_from_parent);
   }
 
   {
     ui::PaintRecorder recorder(context);
     gfx::Canvas* canvas = recorder.canvas();
     gfx::ScopedCanvas scoped_canvas(canvas);
 
     // If the View we are about to paint requested the canvas to be flipped, we
     // should change the transform appropriately.
     // The canvas mirroring is undone once the View is done painting so that we
@@ skipping 1553 matching lines @@
   // Message the RootView to do the drag and drop. That way if we're removed
   // the RootView can detect it and avoid calling us back.
   gfx::Point widget_location(event.location());
   ConvertPointToWidget(this, &widget_location);
   widget->RunShellDrag(this, data, widget_location, drag_operations, source);
   // WARNING: we may have been deleted.
   return true;
 }
 
 }  // namespace views