Adding the VerifyModule function (and helpers) to safe browsing.

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 d472046d3fcdc09c8e1ace30f56c1b13ace8eb28..1313763da95917d3d7e741a4c84cbff973544400 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -25022,6 +25022,15 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="SafeBrowsing.ModuleBaseRelocation" units="BaseRelocationType">
+  <owner>csharp@chromium.org</owner>
+  <owner>krstnmnlsn@chromium.org</owner>
+  <summary>
+    A windows only historgram. Records when an unknown base relocation type is

[Alexei Svitkine (slow), 2014/08/05 14:51:21]

Nit: capitalize Windows. Also, you can move the first sentence to the end - or
alternative incorporate it into the next sentence - e.g. "(Windows only) Records
when an unknown base..." That way, the first sentence actually describes what
this does, rather than "A windows only histogram."

[krstnmnlsn, 2014/08/05 19:17:49]

Done.

+    encountered while reading the reloc table of a loaded module.
+  </summary>
+</histogram>
+
 <histogram name="SB.BloomFilter" units="milliseconds">
   <obsolete>
     Has not been generated for years (7/8/14).
@@ -35768,6 +35777,20 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="2" label="Failure"/>
 </enum>
 
+<enum name="BaseRelocationType" type="int">
+  <int value="0" label="IMAGE_REL_BASED_ABSOLUTE"/>
+  <int value="1" label="IMAGE_REL_BASED_HIGH"/>
+  <int value="2" label="IMAGE_REL_BASED_LOW"/>
+  <int value="3" label="IMAGE_REL_BASED_HIGHLOW"/>
+  <int value="4" label="IMAGE_REL_BASED_HIGHADJ"/>
+  <int value="5" label="IMAGE_REL_BASED_MACHINE_SPECIFIC_5"/>
+  <int value="6" label="IMAGE_REL_BASED_RESERVED"/>
+  <int value="7" label="IMAGE_REL_BASED_MACHINE_SPECIFIC_7"/>
+  <int value="8" label="IMAGE_REL_BASED_MACHINE_SPECIFIC_8"/>
+  <int value="9" label="IMAGE_REL_BASED_MACHINE_SPECIFIC_9"/>
+  <int value="10" label="IMAGE_REL_BASED_DIR64"/>
+</enum>
+
 <enum name="BatteryInfoSampleResult" type="int">
   <int value="0" label="Read"/>
   <int value="1" label="Good"/>