Remove DumpWithoutCrashing from ShouldAllowOpenURL.

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 becf04e8626b9ab2d5a2c0e5fe563a5a9e575a93..77b0a80f610c45337baa5218db766b3a38a3d4ee 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -19848,6 +19848,18 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Extensions.ShouldAllowOpenURL.Failure.Scheme"
+    enum="ShouldAllowOpenURLFailureScheme">
+  <owner>alexmos@chromium.org</owner>
+  <summary>
+    When the web-accessible resource check in
+    ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL fails, this
+    records the scheme of the SiteInstance that initiated the blocked load. This
+    check is performed on navigations that utilize the OpenURL path as well as
+    on transfers.
+  </summary>
+</histogram>
+
 <histogram name="Extensions.StartupDelay" units="ms">
   <owner>asargent@chromium.org</owner>
   <summary>The time one extension delays network requests at startup.</summary>
@@ -110179,6 +110191,30 @@ from previous Chrome versions.
   <int value="3" label="Resource is not web-accessible (most common)"/>
 </enum>
 
+<enum name="ShouldAllowOpenURLFailureScheme" type="int">
+  <summary>
+    Specifies the scheme of the SiteInstance initiating a resource load that was
+    blocked by web-accessible resource checks in ShouldAllowOpenURL.
+  </summary>
+  <int value="0" label="unknown"/>
+  <int value="1" label="empty"/>
+  <int value="2" label="http"/>
+  <int value="3" label="https"/>
+  <int value="4" label="file"/>
+  <int value="5" label="ftp"/>
+  <int value="6" label="data"/>
+  <int value="7" label="javascript"/>
+  <int value="8" label="about"/>
+  <int value="9" label="chrome"/>
+  <int value="10" label="chrome-devtools"/>
+  <int value="11" label="chrome-guest"/>
+  <int value="12" label="view-source"/>
+  <int value="13" label="chrome-search"/>
+  <int value="14" label="chrome-extension"/>
+  <int value="15" label="blob"/>
+  <int value="16" label="filesystem"/>
+</enum>
+
 <enum name="ShutdownReason" type="int">
   <summary>
     The reason that the Chrome OS power manager shut down or rebooted the