Move GPU blacklist calculation to GPU proc

cc/test/test_web_graphics_context_3d.h

Index: cc/test/test_web_graphics_context_3d.h
diff --git a/cc/test/test_web_graphics_context_3d.h b/cc/test/test_web_graphics_context_3d.h
index bf6cd1b5007585cb959cd332e968b234f967628a..27b70f8cfc69d599f529417e0bf233ae474836e6 100644
--- a/cc/test/test_web_graphics_context_3d.h
+++ b/cc/test/test_web_graphics_context_3d.h
@@ -344,6 +344,9 @@ class TestWebGraphicsContext3D {
   void set_msaa_is_slow(bool msaa_is_slow) {
     test_capabilities_.msaa_is_slow = msaa_is_slow;
   }
+  void set_gpu_rasterization(bool gpu_rasterization) {
+    test_capabilities_.gpu_rasterization = gpu_rasterization;
+  }
 
   // When this context is lost, all contexts in its share group are also lost.
   void add_share_group_context(TestWebGraphicsContext3D* context3d) {