Revert BidiResolver::createBidiRunsForLine changes

Source/platform/text/BidiResolverTest.cpp

Index: Source/platform/text/BidiResolverTest.cpp
diff --git a/Source/platform/text/BidiResolverTest.cpp b/Source/platform/text/BidiResolverTest.cpp
index a3d3a92239fc0bebe486235549fff2c7ecd14aa0..ca0474bf0a941a70118adad6fb67c71f6066e536 100644
--- a/Source/platform/text/BidiResolverTest.cpp
+++ b/Source/platform/text/BidiResolverTest.cpp
@@ -191,8 +191,8 @@ void BidiTestRunner::runTest(const std::basic_string<UChar>& input, const std::v
     resolver.setStatus(BidiStatus(textRun.direction(), textRun.directionalOverride()));
     resolver.setPositionIgnoringNestedIsolates(TextRunIterator(&textRun, 0));
 
-    BidiRunList<BidiCharacterRun> runs;
-    resolver.createBidiRunsForLine(TextRunIterator(&textRun, textRun.length()), runs);
+    BidiRunList<BidiCharacterRun>& runs = resolver.runs();
+    resolver.createBidiRunsForLine(TextRunIterator(&textRun, textRun.length()));
 
     std::ostringstream errorContext;
     errorContext << ", line " << lineNumber << " \"" << line << "\"";
@@ -240,6 +240,7 @@ void BidiTestRunner::runTest(const std::basic_string<UChar>& input, const std::v
             break;
         }
     }
+    runs.deleteRuns();
 }