Mac: Towards moving CALayerTree to the browser proc

gpu/gpu.gyp

Index: gpu/gpu.gyp
diff --git a/gpu/gpu.gyp b/gpu/gpu.gyp
index 8dcbb291a3db293705910fea923aceb84c892056..f9b6c4cac20293f0ba38bb10a7d143edc6f33b42 100644
--- a/gpu/gpu.gyp
+++ b/gpu/gpu.gyp
@@ -341,16 +341,8 @@
         }],
         ['OS == "mac"', {
           'sources': [
-            'ipc/service/ca_layer_tree_unittest_mac.mm',
             'ipc/service/gpu_memory_buffer_factory_io_surface_unittest.cc',
           ],
-          'link_settings': {
-            'libraries': [
-              '$(SDKROOT)/System/Library/Frameworks/CoreMedia.framework',
-              '$(SDKROOT)/System/Library/Frameworks/AVFoundation.framework',
-              '$(SDKROOT)/System/Library/Frameworks/QuartzCore.framework',
-            ],
-          },
         }],
         ['use_ozone == 1', {
           'sources': [