Use a mocked compositor for unit tests

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index 78f01c3fedc2c4509ba8d422e859e8693ee6acef..a469160612d318a15346248dec5bb1cad31f517d 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -229,6 +229,12 @@
         '../content/common/notification_observer_mock.h',
         '../ui/gfx/image/image_unittest_util.h',
         '../ui/gfx/image/image_unittest_util.cc',
+        '../ui/gfx/compositor/test_compositor.cc',
+        '../ui/gfx/compositor/test_compositor.h',
+        '../ui/gfx/compositor/test_texture.cc',
+        '../ui/gfx/compositor/test_texture.h',
+        '../views/widget/widget.h',

[sky, 2011/10/13 19:52:00]

Ugh. I don't like pulling in widget here. How about we create a
CompositorFactory that can be swapped in.

[danakj, 2011/10/14 15:15:13]

moved the factory methods to ui::Compositor instead of views::Widget and
aura::Desktop.  So this is not needed now.

+        '../views/widget/widget.cc',
         '../webkit/quota/mock_quota_manager.cc',
         '../webkit/quota/mock_quota_manager.h',
       ],
@@ -238,6 +244,16 @@
             ['exclude', '^browser/chromeos'],
           ],
         }],
+        ['views_compositor!=1', {
+          'sources!': [
+            '../ui/gfx/compositor/test_compositor.cc',
+            '../ui/gfx/compositor/test_compositor.h',
+            '../ui/gfx/compositor/test_texture.cc',
+            '../ui/gfx/compositor/test_texture.h',
+            '../views/widget/widget.h',
+            '../views/widget/widget.cc',
+          ],
+        }],
         ['toolkit_uses_gtk == 1', {
           'dependencies': [
             '../build/linux/system.gyp:gtk',