Revert "Revert "Sync with API change in PHP_CodeCoverage 1.2.10""

This reverts commit fdf112c.

Author: sebastianbergmann

PHPUnit/TextUI/TestRunner.php

@@ -471,15 +471,16 @@ class_exists($arguments['printer'], FALSE)) {
                     $colors       = FALSE;
                 }
 
-                $writer = new PHP_CodeCoverage_Report_Text(
-                  $outputStream,
+                $processor = new PHP_CodeCoverage_Report_Text(
                   $arguments['reportLowUpperBound'],
                   $arguments['reportHighLowerBound'],
                   $arguments['coverageTextShowUncoveredFiles'],
                   $arguments['coverageTextShowOnlySummary']
                 );
 
-                $writer->process($codeCoverage, $colors);
+                $outputStream->write(
+                  $processor->process($codeCoverage, $colors)
+                );
             }
         }