Adds an iOS implementation of gfx::Image.

ui/gfx/image/image_unittest.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.
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/image/image_unittest_util.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #include "ui/gfx/gtk_util.h"
+#elif defined(OS_IOS)
+#include "base/mac/foundation_util.h"
+#include "skia/ext/skia_utils_ios.h"
 #elif defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #include "skia/ext/skia_utils_mac.h"
 #endif
 
 namespace {
 
 #if defined(TOOLKIT_VIEWS) || defined(OS_ANDROID)
 const bool kUsesSkiaNatively = true;
 #else
@@ skipping 141 matching lines @@
 
 TEST_F(ImageTest, PNGDecodeToSkiaFailure) {
   std::vector<unsigned char> png(100, 0);
   gfx::Image image(&png.front(), png.size());
   const SkBitmap* bitmap = image.ToSkBitmap();
 
   SkAutoLockPixels auto_lock(*bitmap);
   gt::CheckColor(bitmap->getColor(10, 10), true);
 }
 
+// TODO(rohitrao): This test needs an iOS implementation of
+// GetPlatformImageColor().
+#if !defined(OS_IOS)
 TEST_F(ImageTest, PNGDecodeToPlatformFailure) {
   std::vector<unsigned char> png(100, 0);
   gfx::Image image(&png.front(), png.size());
   gt::CheckColor(gt::GetPlatformImageColor(gt::ToPlatformType(image)), true);
 }
+#endif
 
 TEST_F(ImageTest, SkiaToPlatform) {
   gfx::Image image(gt::CreateBitmap(25, 25));
   const size_t kRepCount = kUsesSkiaNatively ? 1U : 2U;
 
   EXPECT_TRUE(image.HasRepresentation(gfx::Image::kImageRepSkia));
   if (!kUsesSkiaNatively)
     EXPECT_FALSE(image.HasRepresentation(gt::GetPlatformRepresentationType()));
 
   EXPECT_TRUE(gt::IsPlatformImageValid(gt::ToPlatformType(image)));
@@ skipping 68 matching lines @@
 }
 
 TEST_F(ImageTest, SkiaToCairoCreatesGdk) {
   gfx::Image image(gt::CreateBitmap(25, 25));
   EXPECT_FALSE(image.HasRepresentation(gfx::Image::kImageRepGdk));
   EXPECT_TRUE(image.ToCairo());
   EXPECT_TRUE(image.HasRepresentation(gfx::Image::kImageRepGdk));
 }
 #endif
 
-#if defined(OS_MACOSX)
+#if defined(OS_IOS)
+TEST_F(ImageTest, SkiaToCocoaTouchCopy) {
+  UIImage* ui_image;
+
+  {
+    gfx::Image image(gt::CreateBitmap(25, 25));
+    ui_image = image.CopyUIImage();
+  }
+
+  EXPECT_TRUE(ui_image);
+  base::mac::NSObjectRelease(ui_image);
+}
+#elif defined(OS_MACOSX)
 TEST_F(ImageTest, SkiaToCocoaCopy) {
   NSImage* ns_image;
 
   {
     gfx::Image image(gt::CreateBitmap(25, 25));
     ns_image = image.CopyNSImage();
   }
 
   EXPECT_TRUE(ns_image);
   base::mac::NSObjectRelease(ns_image);
@@ skipping 120 matching lines @@
     image = gfx::Image(gfx::ImageSkiaRep(bitmap, ui::SCALE_FACTOR_100P));
   }
   EXPECT_TRUE(!image.ToSkBitmap()->isNull());
 }
 
 // Integration tests with UI toolkit frameworks require linking against the
 // Views library and cannot be here (ui_unittests doesn't include it). They
 // instead live in /chrome/browser/ui/tests/ui_gfx_image_unittest.cc.
 
 }  // namespace