1*635a8641SAndroid Build Coastguard WorkerThis directory hosts a timer class that is shared with Chrome OS. Code that 2*635a8641SAndroid Build Coastguard Workerlives in this directory is not allowed to depend on anything other than base/ 3*635a8641SAndroid Build Coastguard Workerbecause Chrome OS only pulls in and depends on base/ as a library. 4