Adds experimental flag --enable-experimental-ime-features.

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index d35b748440551e69e2aa33f4ce0314fe28d72170..9c6cc545cec704dd2787def0181119dc24f895e7 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -43189,6 +43189,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="905" label="BOOKMARKMANAGERPRIVATE_SETVERSION"/>
   <int value="906" label="FILESYSTEMPROVIDER_NOTIFY"/>
   <int value="907" label="USB_GETUSERSELECTEDDEVICES"/>
+  <int value="908" label="INPUTMETHODPRIVATE_GETCONFIG"/>
 </enum>
 
 <enum name="ExtensionInstallCause" type="int">
@@ -46458,6 +46459,7 @@ To add a new entry, add it with any value and run test to compute valid value.
   <int value="-820041355" label="enable-transition-compositing"/>
   <int value="-814097014" label="disable-session-crashed-bubble"/>
   <int value="-795600188" label="disable-async-dns"/>
+  <int value="-784725054" label="enable-experimental-ime-features"/>
   <int value="-770319039" label="enable-touch-editing"/>
   <int value="-749048160" label="enable-panels"/>
   <int value="-744159181" label="disable-spdy-proxy-dev-auth-origin"/>