Update mojo sdk to rev 8d45c89c30b230843c5bd6dd0693a555750946c0

third_party/mojo/src/mojo/public/tools/bindings/generators/mojom_java_generator.py

Index: third_party/mojo/src/mojo/public/tools/bindings/generators/mojom_java_generator.py
diff --git a/third_party/mojo/src/mojo/public/tools/bindings/generators/mojom_java_generator.py b/third_party/mojo/src/mojo/public/tools/bindings/generators/mojom_java_generator.py
index 276d5af0593b8ec9188a8549ba19432c668c7666..ad8980dd5030cbe4ac8d6fb196a456eb9b4f894f 100644
--- a/third_party/mojo/src/mojo/public/tools/bindings/generators/mojom_java_generator.py
+++ b/third_party/mojo/src/mojo/public/tools/bindings/generators/mojom_java_generator.py
@@ -15,6 +15,7 @@ import zipfile
 
 from jinja2 import contextfilter
 
+import mojom.fileutil as fileutil
 import mojom.generate.generator as generator
 import mojom.generate.module as mojom
 from mojom.generate.template_expander import UseJinja
@@ -212,7 +213,7 @@ def EncodeMethod(context, kind, variable, offset, bit):
   return 'encode(%s)' % ', '.join(params)
 
 def GetPackage(module):
-  if 'JavaPackage' in module.attributes:
+  if module.attributes and 'JavaPackage' in module.attributes:
     return ParseStringAttribute(module.attributes['JavaPackage'])
   # Default package.
   if module.namespace:
@@ -356,7 +357,7 @@ def GetStructFromMethod(method):
       False, generator.GetStructFromMethod(method))
 
 def GetConstantsMainEntityName(module):
-  if 'JavaConstantsClassName' in module.attributes:
+  if module.attributes and 'JavaConstantsClassName' in module.attributes:
     return ParseStringAttribute(module.attributes['JavaConstantsClassName'])
   # This constructs the name of the embedding classes for module level constants
   # by extracting the mojom's filename and prepending it to Constants.
@@ -471,12 +472,7 @@ class Generator(generator.Generator):
     return exports
 
   def DoGenerateFiles(self):
-    if not os.path.exists(self.output_dir):
-      try:
-        os.makedirs(self.output_dir)
-      except:
-        # Ignore errors on directory creation.
-        pass
+    fileutil.EnsureDirectoryExists(self.output_dir)
 
     # Keep this above the others as .GetStructs() changes the state of the
     # module, annotating structs with required information.