[Findit] Improve output format and cherry-pick bugs fix.

tools/findit/crash_utils.py

Index: tools/findit/crash_utils.py
diff --git a/tools/findit/crash_utils.py b/tools/findit/crash_utils.py
index 65ff72994674a80468b3c7488d2e9e4962f784bf..36f1f0095ecd330ab255b80033585f5b147028cf 100644
--- a/tools/findit/crash_utils.py
+++ b/tools/findit/crash_utils.py
@@ -108,7 +108,7 @@ def NormalizePath(path, parsed_deps):
     repository is not supported, i.e from googlecode.
   """
   # First normalize the path by retreiving the normalized path.
-  normalized_path = os.path.normpath(path.replace('\\', '/'))
+  normalized_path = os.path.normpath(path).replace('\\', '/')
 
   # Iterate through all component paths in the parsed DEPS, in the decreasing
   # order of the length of the file path.
@@ -349,16 +349,24 @@ def AddHyperlink(text, link):
   return '<a href="%s">%s</a>' % (sanitized_link, sanitized_text)
 
 
-def PrettifyList(l):
+def PrettifyList(items):
   """Returns a string representation of a list.
 
   It adds comma in between the elements and removes the brackets.
   Args:
-    l: A list to prettify.
+    items: A list to prettify.
   Returns:
     A string representation of the list.
   """
-  return str(l)[1:-1]
+  return ', '.join(map(str, items))
+
+
+def PrettifyFrameInfo(frame_indices, functions):
+  """Return a string to represent the frames with functions."""
+  frames = []
+  for frame_index, function in zip(frame_indices, functions):
+    frames.append('frame #%s, function "%s"' % (frame_index, function))
+  return '; '.join(frames)
 
 
 def PrettifyFiles(file_list):