[Mac] Reland r276808 Use a native MessagePump instead of a MessagePumpDefault

tools/valgrind/memcheck/suppressions_mac.txt

Index: tools/valgrind/memcheck/suppressions_mac.txt
diff --git a/tools/valgrind/memcheck/suppressions_mac.txt b/tools/valgrind/memcheck/suppressions_mac.txt
index 9b6a97824b20062bdb50958dd582a4fdfc967e56..de9fcbf04240b62e48d020e8a991531d81a4e8df 100644
--- a/tools/valgrind/memcheck/suppressions_mac.txt
+++ b/tools/valgrind/memcheck/suppressions_mac.txt
@@ -99,6 +99,19 @@
    fun:-[NSBitmapImageRep(NSBitmapImageFileTypeExtensions) representationUsingType:properties:]
    fun:_ZN3gfx8internal24Get1xPNGBytesFromNSImageEP7NSImage
 }
+{
+   # See http://crbug.com/385604
+   bug_385604_a
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZNK11AEEventImpl9duplicateEv
+   fun:AESendMessage
+   fun:_ZL35HIToolboxLSNotificationCallbackFunc18LSNotificationCodedPKvPK7__LSASNS1_11LSSessionIDS1_
+   fun:_ZL48LSScheduleNotificationReceiveMessageCallbackFuncP12__CFMachPortPvlS1_
+   fun:__CFMachPortPerform
+   fun:__CFRunLoopRun
+   ...
+}
 # Intentional leaks in AppKit, for an OS-level cache. Only appear on the first
 # run of each reboot.  See also issues 105525, 257276, 340847.
 {
@@ -2465,3 +2478,16 @@
    fun:_ZN5media28VideoCaptureDeviceFactoryMac6CreateERKNS_18VideoCaptureDevice4NameE
    fun:_ZN5media45VideoCaptureDeviceTest_OpenInvalidDevice_Test8TestBodyEv
 }
+{
+   bug_385604_b
+   Memcheck:Leak
+   fun:calloc
+   fun:_ZN18hb_object_header_t6createEj
+   fun:_ZL16hb_object_createI9hb_face_tEPT_v
+   fun:hb_face_create_for_tables
+   fun:_ZN3gfx12_GLOBAL__N_118CreateHarfBuzzFaceEP10SkTypeface
+   fun:_ZN3gfx12_GLOBAL__N_118CreateHarfBuzzFontEP10SkTypefacei
+   fun:_ZN3gfx18RenderTextHarfBuzz8ShapeRunEPNS_8internal15TextRunHarfBuzzE
+   fun:_ZN3gfx18RenderTextHarfBuzz12EnsureLayoutEv
+   fun:_ZN3gfx41RenderTextTest_HarfBuzz_RunDirection_Test8TestBodyEv
+}