Revert 221930 "[OSX] Turn on canvas_skia for OSX"

trunk/src/ui/gfx/canvas_unittest_mac.mm

-// Copyright 2013 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/strings/utf_string_conversions.h"
-#include "base/strings/sys_string_conversions.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/base/range/range.h"
-#include "ui/gfx/font.h"
-#include "ui/gfx/font_list.h"
-
-namespace gfx {
-
-namespace {
-
-// Mac-specific code for string size computations. This is a verbatim copy
-// of the old implementation that used to be in canvas_mac.mm.
-void CanvasMac_SizeStringInt(const base::string16& text,
-                             const gfx::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();
-}
-
-}  // namespace
-
-class CanvasTestMac : public testing::Test {
- protected:
-  // Compare the size returned by Canvas::SizeStringInt to the size generated
-  // by the platform-specific version in CanvasMac_SizeStringInt. Will generate
-  // expectation failure on any mismatch. Only works for single-line text
-  // without specified line height, since that is all the platform
-  // implementation supports.
-  void CompareSizes(const char* text) {
-    gfx::FontList font_list(font_);
-    base::string16 text16 = base::UTF8ToUTF16(text);
-
-    int mac_width = -1;
-    int mac_height = -1;
-    CanvasMac_SizeStringInt(text16, font_list, &mac_width, &mac_height, 0, 0);
-
-    int canvas_width = -1;
-    int canvas_height = -1;
-    Canvas::SizeStringInt(
-        text16, font_list, &canvas_width, &canvas_height, 0, 0);
-
-    EXPECT_EQ(mac_width, canvas_width) << " width for " << text;
-    EXPECT_EQ(mac_height, canvas_height) << " height for " << text;
-  }
-
- private:
-  gfx::Font font_;
-};
-
- // Tests that Canvas' SizeStringInt yields result consistent with a native
- // implementation.
- TEST_F(CanvasTestMac, StringSizeIdenticalForSkia) {
-  CompareSizes("");
-  CompareSizes("Foo");
-  CompareSizes("Longword");
-  CompareSizes("This is a complete sentence.");
-}
-
-}  // namespace gfx