Revert 163638 - Adds units for all Chromium perf tests. These units are recorded in the graphs.dat …

build/common.croc

Index: build/common.croc
===================================================================
--- build/common.croc	(revision 165683)
+++ build/common.croc	(working copy)
@@ -89,7 +89,7 @@
     },
     {
       'stat' : '100.0 * files_instrumented / files_executable',
-      'format' : '*RESULT FilesInstrumentedPercent: files_instrumented_percent= %g percent',
+      'format' : '*RESULT FilesInstrumentedPercent: files_instrumented_percent= %g',
     },
     {
       'stat' : 'lines_executable',
@@ -111,16 +111,16 @@
     },
     {
       'stat' : '100.0 * lines_covered / lines_executable',
-      'format' : '*RESULT PercentCovered: percent_covered= %g percent',
+      'format' : '*RESULT PercentCovered: percent_covered= %g',
     },
     {
       'stat' : '100.0 * lines_covered / lines_executable',
-      'format' : '*RESULT PercentCoveredSource: percent_covered_source= %g percent',
+      'format' : '*RESULT PercentCoveredSource: percent_covered_source= %g',
       'group' : 'source',
     },
     {
       'stat' : '100.0 * lines_covered / lines_executable',
-      'format' : '*RESULT PercentCoveredTest: percent_covered_test= %g percent',
+      'format' : '*RESULT PercentCoveredTest: percent_covered_test= %g',
       'group' : 'test',
     },
   ],