[Telemetry] Reorganize everything.

tools/telemetry/telemetry/core/exceptions.py

Index: tools/telemetry/telemetry/core/exceptions.py
diff --git a/tools/telemetry/telemetry/browser_gone_exception.py b/tools/telemetry/telemetry/core/exceptions.py
similarity index 50%
rename from tools/telemetry/telemetry/browser_gone_exception.py
rename to tools/telemetry/telemetry/core/exceptions.py
index 96f3a26a06d47bdd509c055fb468d2a3812f67d0..adcbb317850c3c7b612d90333ba9d52fca4ea812 100644
--- a/tools/telemetry/telemetry/browser_gone_exception.py
+++ b/tools/telemetry/telemetry/core/exceptions.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 class BrowserGoneException(Exception):
@@ -9,3 +9,12 @@ class BrowserGoneException(Exception):
 
 class BrowserConnectionGoneException(BrowserGoneException):
   pass
+
+class TabCrashException(Exception):
+  """Represents a crash of the current tab, but not the overall browser.
+
+  In this state, the tab is gone, but the underlying browser is still alive."""
+  pass
+
+class EvaluateException(Exception):
+  pass