Use proper namespace in skia/ext

skia/ext/skia_utils_mac_unittest.mm

Index: skia/ext/skia_utils_mac_unittest.mm
diff --git a/skia/ext/skia_utils_mac_unittest.mm b/skia/ext/skia_utils_mac_unittest.mm
index 1fdf774b4fc8c4151ec356ecad5f804dcb8f9d9b..9e4505667fabb3377141c66f1f10f4001f503862 100644
--- a/skia/ext/skia_utils_mac_unittest.mm
+++ b/skia/ext/skia_utils_mac_unittest.mm
@@ -155,7 +155,7 @@ void SkiaUtilsMacTest::RunBitLockerTest(BitLockerTest test) {
     canvas.clipRect(clipRect);
   }
   {
-    gfx::SkiaBitLocker bitLocker(&canvas);
+    skia::SkiaBitLocker bitLocker(&canvas);
     CGContextRef cgContext = bitLocker.cgContext();
     CGColorRef testColor = CGColorGetConstantColor(kCGColorWhite);
     CGContextSetFillColorWithColor(cgContext, testColor);
@@ -183,7 +183,7 @@ void SkiaUtilsMacTest::ShapeHelper(int width, int height,
   SkBitmap thing(CreateSkBitmap(width, height, isred, tfbit));
 
   // Confirm size
-  NSImage* image = gfx::SkBitmapToNSImage(thing);
+  NSImage* image = skia::SkBitmapToNSImage(thing);
   EXPECT_DOUBLE_EQ([image size].width, (double)width);
   EXPECT_DOUBLE_EQ([image size].height, (double)height);
 
@@ -212,7 +212,7 @@ TEST_F(SkiaUtilsMacTest, BitmapToNSBitmapImageRep_BlueRectangle20x30) {
   int height = 30;
 
   SkBitmap bitmap(CreateSkBitmap(width, height, false, true));
-  NSBitmapImageRep* imageRep = gfx::SkBitmapToNSBitmapImageRep(bitmap);
+  NSBitmapImageRep* imageRep = skia::SkBitmapToNSBitmapImageRep(bitmap);
 
   EXPECT_DOUBLE_EQ(width, [imageRep size].width);
   EXPECT_DOUBLE_EQ(height, [imageRep size].height);
@@ -228,7 +228,7 @@ TEST_F(SkiaUtilsMacTest, NSImageRepToSkBitmap) {
   NSBitmapImageRep* imageRep = base::mac::ObjCCastStrict<NSBitmapImageRep>(
       [[image representations] lastObject]);
   NSColorSpace* colorSpace = [NSColorSpace genericRGBColorSpace];
-  SkBitmap bitmap(gfx::NSImageRepToSkBitmapWithColorSpace(
+  SkBitmap bitmap(skia::NSImageRepToSkBitmapWithColorSpace(
       imageRep, [image size], false, [colorSpace CGColorSpace]));
   TestSkBitmap(bitmap);
 }