Blink Platform: Remove time functions from Platform.

content/child/blink_platform_impl.cc

Index: content/child/blink_platform_impl.cc
diff --git a/content/child/blink_platform_impl.cc b/content/child/blink_platform_impl.cc
index 0c2cadbca9b5693024e9f5ee7e5dfadf1e4d04f1..a7593efee65c8004b93808c6c6acfb0ca3706530 100644
--- a/content/child/blink_platform_impl.cc
+++ b/content/child/blink_platform_impl.cc
@@ -1078,19 +1078,6 @@ WebString BlinkPlatformImpl::queryLocalizedString(
       GetContentClient()->GetLocalizedString(message_id), values, NULL);
 }
 
-double BlinkPlatformImpl::currentTimeSeconds() {
-  return base::Time::Now().ToDoubleT();
-}
-
-double BlinkPlatformImpl::monotonicallyIncreasingTimeSeconds() {
-  return base::TimeTicks::Now().ToInternalValue() /
-      static_cast<double>(base::Time::kMicrosecondsPerSecond);
-}
-
-double BlinkPlatformImpl::systemTraceTime() {
-  return (base::TimeTicks::Now() - base::TimeTicks()).InSecondsF();
-}
-
 void BlinkPlatformImpl::cryptographicallyRandomValues(
     unsigned char* buffer, size_t length) {
   base::RandBytes(buffer, length);