[OSX] Turn on canvas_skia for OSX

ui/gfx/canvas_mac.mm

Index: ui/gfx/canvas_mac.mm
diff --git a/ui/gfx/canvas_mac.mm b/ui/gfx/canvas_mac.mm
deleted file mode 100644
index 247c28b6d52623e4619407263ed546e123e5f798..0000000000000000000000000000000000000000
--- a/ui/gfx/canvas_mac.mm
+++ /dev/null
@@ -1,90 +0,0 @@
-// 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/gfx/canvas.h"
-
-#import <Cocoa/Cocoa.h>
-
-#include "base/logging.h"
-#include "base/strings/sys_string_conversions.h"
-#include "third_party/skia/include/core/SkTypeface.h"
-#include "ui/gfx/font_list.h"
-#include "ui/gfx/rect.h"
-
-// Note: This is a temporary Skia-based implementation of the ui/gfx text
-// rendering routines for views/aura. It replaces the stale Cocoa-based
-// implementation. A future |canvas_skia.cc| implementation will supersede
-// this and the other platform-specific implmenentations. Most drawing options,
-// such as alignment, multi-line, and line heights are not implemented here.
-
-namespace {
-
-SkTypeface::Style FontTypefaceStyle(const gfx::Font& font) {
-  int style = 0;
-  if (font.GetStyle() & gfx::Font::BOLD)
-    style |= SkTypeface::kBold;
-  if (font.GetStyle() & gfx::Font::ITALIC)
-    style |= SkTypeface::kItalic;
-
-  return static_cast<SkTypeface::Style>(style);
-}
-
-}  // namespace
-
-namespace gfx {
-
-// static
-void Canvas::SizeStringInt(const base::string16& text,
-                           const FontList& font_list,
-                           int* width,
-                           int* height,
-                           int line_height,
-                           int flags) {
-  DLOG_IF(WARNING, line_height != 0) << "Line heights not implemented.";
-  DLOG_IF(WARNING, flags & Canvas::MULTI_LINE) << "Multi-line not implemented.";
-
-  NSFont* native_font = font_list.GetPrimaryFont().GetNativeFont();
-  NSString* ns_string = base::SysUTF16ToNSString(text);
-  NSDictionary* attributes =
-      [NSDictionary dictionaryWithObject:native_font
-                                  forKey:NSFontAttributeName];
-  NSSize string_size = [ns_string sizeWithAttributes:attributes];
-  *width = string_size.width;
-  *height = font_list.GetHeight();
-}
-
-void Canvas::DrawStringRectWithShadows(const base::string16& text,
-                                       const FontList& font_list,
-                                       SkColor color,
-                                       const Rect& text_bounds,
-                                       int line_height,
-                                       int flags,
-                                       const ShadowValues& shadows) {
-  DLOG_IF(WARNING, line_height != 0) << "Line heights not implemented.";
-  DLOG_IF(WARNING, flags & Canvas::MULTI_LINE) << "Multi-line not implemented.";
-  DLOG_IF(WARNING, !shadows.empty()) << "Text shadows not implemented.";
-
-  const Font& font = font_list.GetPrimaryFont();
-  skia::RefPtr<SkTypeface> typeface = skia::AdoptRef(
-      SkTypeface::CreateFromName(
-          font.GetFontName().c_str(), FontTypefaceStyle(font)));
-  SkPaint paint;
-  paint.setTypeface(typeface.get());
-  paint.setColor(color);
-  canvas_->drawText(text.c_str(),
-                    text.size() * sizeof(base::string16::value_type),
-                    text_bounds.x(),
-                    text_bounds.bottom(),
-                    paint);
-}
-
-void Canvas::DrawStringRectWithHalo(const base::string16& text,
-                                    const FontList& font_list,
-                                    SkColor text_color,
-                                    SkColor halo_color,
-                                    const Rect& display_rect,
-                                    int flags) {
-}
-
-}  // namespace gfx