Add histograms definitions for windows enterprise checks.

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 445d0493c2316c70a978db7fc7df24fa9ee01e44..582815fe5cb8f12fd8a41fc4fb3bfb3119f52304 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -3589,6 +3589,34 @@ other types of suffix sets.
   <summary>Network error during OAuth2 access token fetch.</summary>
 </histogram>
 
+<histogram name="EnterpriseCheck.DomainBindSucceeded" enum="BooleanSuccess">
+  <summary>
+    Whether we were able to contact the AD Domain Controller. This check is
+    performed once at start-up.
+  </summary>
+</histogram>
+
+<histogram name="EnterpriseCheck.DomainCheckFailed" enum="EnterpriseCheckError">
+  <summary>
+    Enum of possible things that can fail while checking for enterprise env.
+    This check is performed once at start-up.
+  </summary>
+</histogram>
+
+<histogram name="EnterpriseCheck.InDomain" enum="BooleanEnabled">
+  <summary>
+    Whether the machine is part of an AD domain. This check is performed once at
+    start-up.
+  </summary>
+</histogram>
+
+<histogram name="EnterpriseCheck.OSType" enum="OsSuite">
+  <summary>
+    The rough Windows suite we are runnnig on. This check is performed once at
+    start-up.
+  </summary>
+</histogram>
+
 <histogram name="Event.CoalescedCount.Mouse">
   <summary>Number of Mouse events coalesced.</summary>
 </histogram>
@@ -22995,6 +23023,11 @@ other types of suffix sets.
   <int value="4" label="TTLS"/>
 </enum>
 
+<enum name="EnterpriseCheckError" type="int">
+  <int value="0" label="Cound not get net join info."/>
+  <int value="1" label="Cound not bind to domain controller."/>
+</enum>
+
 <enum name="EnterpriseDeviceManagementStatus" type="int">
   <summary>
     Status codes produced by DeviceManagementService for requests made to the
@@ -27845,6 +27878,12 @@ other types of suffix sets.
   <int value="34" label="ERANGE">Numerical result out of range</int>
 </enum>
 
+<enum name="OsSuite" type="int">
+  <int value="0" label="Windows Home Edition"/>
+  <int value="1" label="Windows Proffesional Edition (or better)"/>
+  <int value="2" label="Windows Server Edition"/>
+</enum>
+
 <enum name="OSXExceptionHandlerEvents" type="int">
   <int value="0" label="EXCEPTION_ACCESSIBILITY">
     Object does not support accessibility attributes