Move ui::gfx::Image out of the ui namespace to be just gfx::Image.

chrome/browser/ui/tests/ui_gfx_image_unittest.mm

Index: chrome/browser/ui/tests/ui_gfx_image_unittest.mm
diff --git a/chrome/browser/ui/tests/ui_gfx_image_unittest.mm b/chrome/browser/ui/tests/ui_gfx_image_unittest.mm
index c48e9bd08ef7dcacb445fac7f7839e13d2f2e065..757ab26e7da4c3c0ca9fec372f1da7b1e4113b00 100644
--- a/chrome/browser/ui/tests/ui_gfx_image_unittest.mm
+++ b/chrome/browser/ui/tests/ui_gfx_image_unittest.mm
@@ -13,13 +13,13 @@
 
 namespace {
 
-using namespace ui::gfx::test;
+using namespace gfx::test;
 
 class UiGfxImageTest : public CocoaTest {
 };
 
 TEST_F(UiGfxImageTest, CheckColor) {
-  ui::gfx::Image image(CreateBitmap());
+  gfx::Image image(CreateBitmap());
   [image lockFocus];
   NSColor* color = NSReadPixel(NSMakePoint(10, 10));
   [image unlockFocus];
@@ -44,7 +44,7 @@ TEST_F(UiGfxImageTest, ImageView) {
   [[test_window() contentView] addSubview:image_view];
   [test_window() orderFront:nil];
 
-  ui::gfx::Image image(CreateBitmap());
+  gfx::Image image(CreateBitmap());
   [image_view setImage:image];
 }