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 84b6c97cfe2851fc4f92fa5de7f07b121d9d5362..9ef58fdf49999cd196a540f7aad385c7a60324f1 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -17798,6 +17798,29 @@ other types of suffix sets.
   </summary>
 </histogram>
 
+<histogram name="WebCore.ResourceFetcher.ActionUponResourceRequest"
+    enum="ActionUponResourceRequest">
+  <summary>
+    The resulting action (e.g. load resource, use resource from in-memory
+    cache...) upon a resource request.
+  </summary>
+</histogram>
+
+<histogram name="WebCore.ResourceFetcher.ResourceHasClientUponCacheHit"
+    enum="ResourceHasClient">
+  <summary>
+    Whether the resource in the cache is being used by at least one client (live
+    resource) or not (dead resource) upon a cache hit.
+  </summary>
+</histogram>
+
+<histogram name="WebCore.ResourceFetcher.ResourceTypeUponCacheHit"
+    enum="ResourceType">
+  <summary>
+    The type of the resource (e.g. image, script...) upon a cache hit.
+  </summary>
+</histogram>
+
 <histogram name="WebCore.V8DOMWindowShell.createContext.IsolatedWorld"
     units="milliseconds">
   <summary>
@@ -18204,6 +18227,12 @@ other types of suffix sets.
   <int value="2" label="ScrolledMainFrameWithUnacceleratedFixedRootBackground"/>
 </enum>
 
+<enum name="ActionUponResourceRequest" type="int">
+  <int value="0" label="LoadResource"/>
+  <int value="1" label="RevalidateResource"/>
+  <int value="2" label="UseResourceFromCache"/>
+</enum>
+
 <enum name="AndroidEvictionReason" type="int">
   <int value="0" label="TabUnusedTooLong"/>
   <int value="1" label="TabUnusedInSession"/>
@@ -24192,6 +24221,27 @@ other types of suffix sets.
   </int>
 </enum>
 
+<enum name="ResourceHasClient" type="int">
+  <int value="0" label="NoClient"/>
+  <int value="1" label="HasClient"/>

[Ilya Sherman, 2013/09/16 18:56:49]

nit: nit: These labels will show up as human-readable text on the dashboard, so
you might want to use a slightly more human-friendly format like "No client" and
"Has client".  This applies to the other histograms as well.

[Philippe, 2013/09/17 08:45:15]

Done.

+</enum>
+
+<enum name="ResourceType" type="int">
+  <int value="0" label="MainResource"/>
+  <int value="1" label="Image"/>
+  <int value="2" label="CSSStyleSheet"/>
+  <int value="3" label="Script"/>
+  <int value="4" label="Font"/>
+  <int value="5" label="Raw"/>
+  <int value="6" label="SVGDocument"/>
+  <int value="7" label="XSLStyleSheet"/>
+  <int value="8" label="LinkPrefetch"/>
+  <int value="9" label="LinkSubresource"/>
+  <int value="10" label="TextTrack"/>
+  <int value="11" label="Shader"/>
+  <int value="12" label="ImportResource"/>
+</enum>
+
 <enum name="SB2BloomFailure" type="int">
   <int value="0" label="READ_OPEN"/>
   <int value="1" label="READ_VERSION"/>