[Predator] Add ``Project`` class and ``ClassifySuspect`` method to project and component classifier

appengine/findit/crash/predator.py

Index: appengine/findit/crash/predator.py
diff --git a/appengine/findit/crash/predator.py b/appengine/findit/crash/predator.py
index f46941116f70fd06380059c0ba0179fb9a43ac7b..37693594fe0c7634f1df1be198a0f8c28867223f 100644
--- a/appengine/findit/crash/predator.py
+++ b/appengine/findit/crash/predator.py
@@ -19,11 +19,15 @@ class Predator(object): # pragma: no cover
     suspected_cls = self.cl_classifier(report)
     assert suspected_cls is not None
 
-    suspected_project = self.project_classifier.Classify(
-        suspected_cls, report.stacktrace.crash_stack)
-
-    suspected_components = self.component_classifier.Classify(
-        suspected_cls, report.stacktrace.crash_stack)
+    suspected_project = (
+        self.project_classifier.ClassifySuspects(suspected_cls) or 
+        self.project_classifier.ClassifyCallStack(
+            report.stacktrace.crash_stack))
+
+    suspected_components = (
+        self.component_classifier.ClassifySuspects(suspected_cls) or 
+        self.component_classifier.ClassifyCallStack(
+            report.stacktrace.crash_stack))
 
     return Culprit(
         project = suspected_project,