Use string for Histogram names since these are all ASCII anyway wide-characte...

net/base/sdch_filter.cc

Index: net/base/sdch_filter.cc
===================================================================
--- net/base/sdch_filter.cc	(revision 10269)
+++ net/base/sdch_filter.cc	(working copy)
@@ -31,7 +31,7 @@
   static int filter_use_count = 0;
   ++filter_use_count;
   if (META_REFRESH_RECOVERY == decoding_status_) {
-    UMA_HISTOGRAM_COUNTS(L"Sdch.FilterUseBeforeDisabling", filter_use_count);
+    UMA_HISTOGRAM_COUNTS("Sdch.FilterUseBeforeDisabling", filter_use_count);
   }
 
   if (vcdiff_streaming_decoder_.get()) {
@@ -53,46 +53,46 @@
     // considered (per suggestion from Jake Brutlag).
     if (10 >= duration.InMinutes()) {
       if (DECODING_IN_PROGRESS == decoding_status_) {
-        UMA_HISTOGRAM_CLIPPED_TIMES(L"Sdch.Network_Decode_Latency_F", duration,
+        UMA_HISTOGRAM_CLIPPED_TIMES("Sdch.Network_Decode_Latency_F", duration,
                                     base::TimeDelta::FromMilliseconds(20),
                                     base::TimeDelta::FromMinutes(10), 100);
-        UMA_HISTOGRAM_CLIPPED_TIMES(L"Sdch.Network_Decode_1st_To_Last",
+        UMA_HISTOGRAM_CLIPPED_TIMES("Sdch.Network_Decode_1st_To_Last",
                                     read_times_.back() - read_times_[0],
                                     base::TimeDelta::FromMilliseconds(20),
                                     base::TimeDelta::FromMinutes(10), 100);
         if (read_times_.size() > 3) {
-          UMA_HISTOGRAM_CLIPPED_TIMES(L"Sdch.Network_Decode_3rd_To_4th",
+          UMA_HISTOGRAM_CLIPPED_TIMES("Sdch.Network_Decode_3rd_To_4th",
                                       read_times_[3] - read_times_[2],
                                       base::TimeDelta::FromMilliseconds(10),
                                       base::TimeDelta::FromSeconds(3), 100);
-          UMA_HISTOGRAM_CLIPPED_TIMES(L"Sdch.Network_Decode_2nd_To_3rd",
+          UMA_HISTOGRAM_CLIPPED_TIMES("Sdch.Network_Decode_2nd_To_3rd",
                                       read_times_[2] - read_times_[1],
                                       base::TimeDelta::FromMilliseconds(10),
                                       base::TimeDelta::FromSeconds(3), 100);
         }
-        UMA_HISTOGRAM_COUNTS_100(L"Sdch.Network_Decode_Reads",
+        UMA_HISTOGRAM_COUNTS_100("Sdch.Network_Decode_Reads",
                                  read_times_.size());
-        UMA_HISTOGRAM_COUNTS(L"Sdch.Network_Decode_Bytes_Read", output_bytes_);
+        UMA_HISTOGRAM_COUNTS("Sdch.Network_Decode_Bytes_Read", output_bytes_);
       } else if (PASS_THROUGH == decoding_status_) {
-        UMA_HISTOGRAM_CLIPPED_TIMES(L"Sdch.Network_Pass-through_Latency_F",
+        UMA_HISTOGRAM_CLIPPED_TIMES("Sdch.Network_Pass-through_Latency_F",
                                     duration,
                                     base::TimeDelta::FromMilliseconds(20),
                                     base::TimeDelta::FromMinutes(10), 100);
-        UMA_HISTOGRAM_CLIPPED_TIMES(L"Sdch.Network_Pass-through_1st_To_Last",
+        UMA_HISTOGRAM_CLIPPED_TIMES("Sdch.Network_Pass-through_1st_To_Last",
                                     read_times_.back() - read_times_[0],
                                     base::TimeDelta::FromMilliseconds(20),
                                     base::TimeDelta::FromMinutes(10), 100);
         if (read_times_.size() > 3) {
-          UMA_HISTOGRAM_CLIPPED_TIMES(L"Sdch.Network_Pass-through_3rd_To_4th",
+          UMA_HISTOGRAM_CLIPPED_TIMES("Sdch.Network_Pass-through_3rd_To_4th",
                                       read_times_[3] - read_times_[2],
                                       base::TimeDelta::FromMilliseconds(10),
                                       base::TimeDelta::FromSeconds(3), 100);
-          UMA_HISTOGRAM_CLIPPED_TIMES(L"Sdch.Network_Pass-through_2nd_To_3rd",
+          UMA_HISTOGRAM_CLIPPED_TIMES("Sdch.Network_Pass-through_2nd_To_3rd",
                                       read_times_[2] - read_times_[1],
                                       base::TimeDelta::FromMilliseconds(10),
                                       base::TimeDelta::FromSeconds(3), 100);
         }
-        UMA_HISTOGRAM_COUNTS_100(L"Sdch.Network_Pass-through_Reads",
+        UMA_HISTOGRAM_COUNTS_100("Sdch.Network_Pass-through_Reads",
                                  read_times_.size());
       }
     }