Disable timing from chrome://profiler on Android.

base/base_switches.h

Index: base/base_switches.h
diff --git a/base/base_switches.h b/base/base_switches.h
index b2bf7abca8fb382b08a46cc1fafa8bc9601e2aba..b679e6d9ebf1a7f4c79dfb831e1c1bab3dd71d33 100644
--- a/base/base_switches.h
+++ b/base/base_switches.h
@@ -17,11 +17,13 @@ extern const char kEnableCrashReporter[];
 extern const char kEnableDCHECK[];
 extern const char kFullMemoryCrashReport[];
 extern const char kNoErrorDialogs[];
+extern const char kProfilerTiming[];
+extern const char kProfilerTimingDisabledValue[];
 extern const char kTestChildProcess[];
+extern const char kTraceToConsole[];
 extern const char kV[];
 extern const char kVModule[];
 extern const char kWaitForDebugger[];
-extern const char kTraceToConsole[];
 
 #if defined(OS_POSIX)
 extern const char kEnableCrashReporterForTesting[];