Cleanup gfx::Canvas now that 10562027 has landed

ui/base/clipboard/clipboard_mac.mm

 // 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.
 
 #include "ui/base/clipboard/clipboard.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
@@ skipping 331 matching lines @@
   scoped_nsobject<NSImage> image(
       [[NSImage alloc] initWithPasteboard:GetPasteboard()]);
   if (!image.get())
     return SkBitmap();
 
   gfx::ScopedNSGraphicsContextSaveGState scoped_state;
   [image setFlipped:YES];
   int width = [image size].width;
   int height = [image size].height;
 
-  gfx::Canvas canvas(gfx::Size(width, height), false);
+  gfx::Canvas canvas(gfx::Size(width, height), ui::SCALE_FACTOR_100P, false);
   {
     skia::ScopedPlatformPaint scoped_platform_paint(canvas.sk_canvas());
     CGContextRef gc = scoped_platform_paint.GetPlatformSurface();
     NSGraphicsContext* cocoa_gc =
         [NSGraphicsContext graphicsContextWithGraphicsPort:gc flipped:NO];
     [NSGraphicsContext setCurrentContext:cocoa_gc];
     [image drawInRect:NSMakeRect(0, 0, width, height)
              fromRect:NSZeroRect
             operation:NSCompositeCopy
              fraction:1.0];
   }
-  return canvas.ExtractBitmap();
+  return canvas.ExtractImageRep().sk_bitmap();
 }
 
 void Clipboard::ReadCustomData(Buffer buffer,
                                const string16& type,
                                string16* result) const {
   DCHECK(CalledOnValidThread());
   DCHECK_EQ(buffer, BUFFER_STANDARD);
 
   NSPasteboard* pb = GetPasteboard();
   if ([[pb types] containsObject:kWebCustomDataPboardType]) {
@@ skipping 94 matching lines @@
   return type;
 }
 
 // static
 const Clipboard::FormatType& Clipboard::GetWebCustomDataFormatType() {
   CR_DEFINE_STATIC_LOCAL(FormatType, type, (kWebCustomDataPboardType));
   return type;
 }
 
 }  // namespace ui