Fix compile warnings that break NaCl build.

gpu/command_buffer/common/cmd_buffer_common.h

Index: gpu/command_buffer/common/cmd_buffer_common.h
diff --git a/gpu/command_buffer/common/cmd_buffer_common.h b/gpu/command_buffer/common/cmd_buffer_common.h
index b012510e28d941c430e50175fd47ccda7f9f64a8..e8bcd43e8c5c7a143d7f19e9e9b56c18bdc7da0c 100644
--- a/gpu/command_buffer/common/cmd_buffer_common.h
+++ b/gpu/command_buffer/common/cmd_buffer_common.h
@@ -16,7 +16,7 @@ namespace gpu {
 namespace cmd {
   enum ArgFlags {
     kFixed = 0x0,
-    kAtLeastN = 0x1,
+    kAtLeastN = 0x1
   };
 }  // namespace cmd
 
@@ -167,7 +167,7 @@ enum CommandId {
   #undef COMMON_COMMAND_BUFFER_CMD_OP
 
   kNumCommands,
-  kLastCommonId = 255,  // reserve 256 spaces for common commands.
+  kLastCommonId = 255  // reserve 256 spaces for common commands.
 };
 
 COMPILE_ASSERT(kNumCommands - 1 <= kLastCommonId, Too_many_common_commands);