message: Typo fix: Tensorflow -> TensorFlow.
diff: @@ -409,7 +409,7 @@ class EnvWrapper : public Env {
  Env* target_;
  };
  -/// Represents a thread used to run a Tensorflow function.
  +/// Represents a thread used to run a TensorFlow function.
  class Thread {
  public:
  Thread() {}
  