Fix WebKit layout Valgrind runner, part 2

Get the layout test URL from the DRT stdin
TBR=thestig
BUG=130832
Review URL: https://chromiumcodereview.appspot.com/10539047

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@141003 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/valgrind_test.py

@@ -387,7 +387,7 @@ def ToolCommand(self):
     # Handle --indirect_webkit_layout separately.
     if self._options.indirect_webkit_layout:
       # Need to create the wrapper before modifying |proc|.
-      wrapper = self.CreateBrowserWrapper(proc)
+      wrapper = self.CreateBrowserWrapper(proc, webkit=True)
       proc = self._args
       proc.append("--wrapper")
       proc.append(wrapper)
@@ -405,7 +405,7 @@ def ToolSpecificFlags(self):
     raise NotImplementedError, "This method should be implemented " \
                                "in the tool-specific subclass"
 
-  def CreateBrowserWrapper(self, proc):
+  def CreateBrowserWrapper(self, proc, webkit=False):
     """The program being run invokes Python or something else that can't stand
     to be valgrinded, and also invokes the Chrome browser. In this case, use a
     magic wrapper to only valgrind the Chrome browser. Build the wrapper here.
@@ -424,31 +424,24 @@ def CreateBrowserWrapper(self, proc):
     f.write('#!/bin/bash\n'
             'echo "Started Valgrind wrapper for this test, PID=$$" >&2\n')
 
-    # Try to get the test case name by looking at the program arguments.
-    # i.e. Chromium ui_tests and friends pass --test-name arg.
     f.write('DIR=`dirname $0`\n'
-            'FOUND_TESTNAME=0\n'
-            'TESTNAME_FILE=$DIR/testcase.$$.name\n'
-            'for arg in $@; do\n'
-            '  # TODO(timurrrr): this doesn\'t handle "--test-name Test.Name"\n'
-            '  if [[ "$arg" =~ --test-name=(.*) ]]; then\n'
-            '    echo ${BASH_REMATCH[1]} >$TESTNAME_FILE\n'
-            '    FOUND_TESTNAME=1\n'
-            '  fi\n'
-            'done\n\n')
-
-    f.write('if [ "$FOUND_TESTNAME" = "1" ]; then\n'
-            '    %s "$@"\n'
-            'else\n' % command)
-    # Webkit layout_tests print out the test URL as the first line of stdout.
-    f.write('    %s "$@" | tee $DIR/test.$$.stdout\n'
-            '    EXITCODE=$PIPESTATUS\n'  # $? holds the tee's exit code
-            '    head -n 1 $DIR/test.$$.stdout |\n'
-            '      grep URL |\n'
-            '      sed "s/^.*third_party\/WebKit\/LayoutTests\///" '
-                       '>$TESTNAME_FILE\n'
-            '    exit $EXITCODE\n'
-            'fi\n' % command)
+            'TESTNAME_FILE=$DIR/testcase.$$.name\n\n')
+
+    if webkit:
+      # Webkit layout_tests pass the URL as the first line of stdin.
+      f.write('tee $TESTNAME_FILE | %s "$@"\n' % command)
+    else:
+      # Try to get the test case name by looking at the program arguments.
+      # i.e. Chromium ui_tests used --test-name arg.
+      # TODO(timurrrr): This doesn't handle "--test-name Test.Name"
+      # TODO(timurrrr): ui_tests are dead. Where do we use the non-webkit
+      # wrapper now? browser_tests? What do they do?
+      f.write('for arg in $@\ndo\n'
+              '  if [[ "$arg" =~ --test-name=(.*) ]]\n  then\n'
+              '    echo ${BASH_REMATCH[1]} >$TESTNAME_FILE\n'
+              '  fi\n'
+              'done\n\n'
+              '%s "$@"\n' % command)
 
     f.close()
     os.chmod(indirect_fname, stat.S_IRUSR|stat.S_IXUSR)
@@ -480,6 +473,10 @@ def GetAnalyzeResults(self, check_sanity=False):
         f = open(self.log_dir + ("/testcase.%d.name" % ppid))
         testcase_name = f.read().strip()
         f.close()
+        wk_layout_prefix="third_party/WebKit/LayoutTests/"
+        wk_prefix_at = testcase_name.rfind(wk_layout_prefix)
+        if wk_prefix_at != -1:
+          testcase_name = testcase_name[wk_prefix_at + len(wk_layout_prefix):]
       except IOError:
         pass
       print "====================================================="