Widen the suppression rule for Bug 47949.

This change widens the current suppression rule for bug 47949 and adds a new rule for it.

TBR=timurrrr,jhawkins
BUG=47949
TEST=make the "Webkit Mac (valgrind)" bot green.

Review URL: http://codereview.chromium.org/8564025

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110057 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/memcheck/suppressions_mac.txt

@@ -734,11 +734,19 @@
    fun:*16HasAudioHardware*
 }
 {
-   bug_47949
+   bug_47949_a
    Memcheck:Cond
-   fun:rips_f_DrawRing
-   fun:rips_f_BltShape
-   fun:ripc_Render
+   ...
+   fun:ripc_DrawRects
+   fun:CGContextFillRects
+   fun:CGContextFillRect
+   fun:NSRectFill
+   fun:_ZN18FocusIndicationFix40currentOSHasSetFocusRingStyleInBitmapBugEv
+}
+{
+   bug_47949_b
+   Memcheck:Value4
+   ...
    fun:ripc_DrawRects
    fun:CGContextFillRects
    fun:CGContextFillRect