Adjust histograms to get better data for latency experiments...

net/base/sdch_filter.cc

Index: net/base/sdch_filter.cc
===================================================================
--- net/base/sdch_filter.cc	(revision 5673)
+++ net/base/sdch_filter.cc	(working copy)
@@ -48,11 +48,12 @@
     // would DCHECK in histogram as the square of the value is summed.  The
     // relatively precise histogram only properly covers the range 1ms to 10
     // seconds, so the discarded data would not be that readable anyway.
-    if (30 >= duration.InSeconds()) {
+    if (180 >= duration.InSeconds()) {
       if (DECODING_IN_PROGRESS == decoding_status_)
-        UMA_HISTOGRAM_TIMES(L"Sdch.Transit_Latency_2", duration);
+        UMA_HISTOGRAM_MEDIUM_TIMES(L"Sdch.Transit_Latency_M", duration);
       if (PASS_THROUGH == decoding_status_)
-        UMA_HISTOGRAM_TIMES(L"Sdch.Transit_Pass-through_Latency_2", duration);
+        UMA_HISTOGRAM_MEDIUM_TIMES(L"Sdch.Transit_Pass-through_Latency_M",
+                                   duration);
     }
   }