Test profiler feature on CI.

.travis.yml

@@ -25,6 +25,7 @@ script:
   - (cd webrender_traits && cargo test --verbose)
   - (cd webrender && cargo test --verbose)
   - (cd sample && cargo test --verbose)
+  - (cd sample && cargo build --verbose --features=profiler)
   - (cd wrench && cargo test --verbose)
   - (cd wrench && cargo build --release --verbose --features headless)
   - (cd wrench && python run_tests.py res/rect.yaml)

sample/Cargo.toml

@@ -12,6 +12,9 @@ path = "../webrender"
 path = "../webrender_traits"
 default_features = false
 
+[features]
+profiler = [ "webrender/profiler" ]
+
 [dependencies]
 app_units = "0.3"
 euclid = "0.10"

webrender/Cargo.toml

@@ -12,6 +12,7 @@ default = ["codegen", "freetype-lib"]
 codegen = ["webrender_traits/codegen"]
 freetype-lib = ["freetype/servo-freetype-sys"]
 serde_derive = ["webrender_traits/serde_derive"]
+profiler = ["thread_profiler/thread_profiler"]
 
 [dependencies]
 app_units = "0.3"