When run the testcase MenuViewRenderTest of GS-Manual for 6u10 b10,
characters in Menubar cannot be rendered in the same size when setting font to "MonoSpaced" and size to "18".

JDK: 6u10 b10
OS: Win2008_X86-Server
Locale: ja
Tools: GS-Tonga_12.zip

Reproduce:
1. install 6u10 b10 as JAVA_HOME
2. install 6u10 b06 as JAVA_BASE
3. unzip GS-Tonga_b12.zip
4. setenv
5. sh runnit.sh -keywords:"ja&&manual"

Please refer to attachment for detail.