Remove minification spam

tools/grit/grit/format/minifier.py

Index: tools/grit/grit/format/minifier.py
diff --git a/tools/grit/grit/format/minifier.py b/tools/grit/grit/format/minifier.py
index 93d0df72f241cdba0c5aed4e446f3c1ec3288a67..84028f9a438014e7739b3378d40b6f176d878d49 100644
--- a/tools/grit/grit/format/minifier.py
+++ b/tools/grit/grit/format/minifier.py
@@ -3,7 +3,9 @@
 # found in the LICENSE file.
 """Framework for stripping whitespace and comments from resource files"""
 
+from os import path
 import subprocess
+import sys
 
 __js_minifier = None
 
@@ -13,18 +15,23 @@ def SetJsMinifier(minifier):
   __js_minifier = minifier.split()
 
 
-def Minify(source, file_type):
+def Minify(source, filename):
+  file_type = path.splitext(filename)[1]
   if not file_type == '.js' or not __js_minifier:
     return source
+  # TODO (BUG http://crbug/644392) searchbox_api.js uses Chrome extensions so
+  # can't be minified. Remove this when that is fixed.
+  if path.abspath(filename).endswith(
+      '/chrome/renderer/resources/extensions/searchbox_api.js'):
+    return source
   p = subprocess.Popen(
       __js_minifier,
       stdin=subprocess.PIPE,
       stdout=subprocess.PIPE,
       stderr=subprocess.PIPE)
   (stdout, stderr) = p.communicate(source)
-  if stderr:
-    print stderr
   if p.returncode != 0:
-    print 'Minification failed, using original source'
-    return source
+    print 'Minification failed for %s' % filename
+    print stderr
+    sys.exit(p.returncode)
   return stdout