Valgrind: Widen a few existing suppressions and add a few new ones for HitTests and Mac flakiness.

BUG=17540,385396,411235,416957,417048
NOTRY=true
TBR=groby@chromium.org

Review URL: https://codereview.chromium.org/602453002

Cr-Commit-Position: refs/heads/master@{#296305}

tools/valgrind/memcheck/suppressions.txt

@@ -560,8 +560,7 @@
    fun:_ZN4base19MessagePumpLibevent19WatchFileDescriptor*FileDescriptorWatcherEPNS0_7WatcherE
    fun:_ZN4base16MessageLoopForIO19WatchFileDescriptor*MessagePumpLibevent21FileDescriptorWatcherEPNS2_7WatcherE
    ...
-   fun:_ZN3IPC7Channel11ChannelImpl7ConnectEv
-   fun:_ZN3IPC7Channel7ConnectEv
+   fun:_ZN3IPC*Channel*ConnectEv
    fun:_ZN3IPC12ChannelProxy7Context15OnChannelOpenedEv
 }
 {
@@ -3636,6 +3635,16 @@
    fun:_ZN5blink11WebViewImpl18handleGestureEventERKNS_15WebGestureEventE
    fun:_ZN5blink18PageWidgetDelegate16handleInputEventEPN7blink4PageERNS_22PageWidgetEventHandlerERKNS_13WebInputEventE
 }
+{
+   bug_385396e
+   Memcheck:Uninitialized
+   fun:_ZN5blink15roundedIntPointERKNS_11LayoutPointE
+   fun:_ZNK5blink15HitTestLocation12roundedPointEv
+   fun:_ZN5blink10RenderView7hitTestERKNS_14HitTestRequestERKNS_15HitTestLocationERNS_13HitTestResultE
+   fun:_ZN5blink10RenderView7hitTestERKNS_14HitTestRequestERNS_13HitTestResultE
+   fun:_ZN5blink12EventHandler20hitTestResultAtPointERKNS_11LayoutPointEjRKNS_10LayoutSizeE
+   fun:_ZN5blink12EventHandler18targetGestureEventERKNS_20PlatformGestureEventEb
+}
 {
    bug_387435
    Memcheck:Leak
@@ -3974,6 +3983,15 @@
    fun:_ZN5blink11RenderBlock13paintContentsERNS_9PaintInfoERKNS_11LayoutPointE
    fun:_ZN5blink11RenderBlock11paintObjectERNS_9PaintInfoERKNS_11LayoutPointE
 }
+{
+   bug_411235
+   Memcheck:Overlap
+   fun:memcpy@@GLIBC_2.14
+   fun:IncrementalCopyFastPath
+   fun:BrotliDecompress
+   fun:BrotliDecompressBuffer
+   fun:_ZN12_GLOBAL__N_115Woff2UncompressEPhmPKhmj
+}
 {
    bug_415092
    Memcheck:Leak
@@ -3997,3 +4015,40 @@
    fun:_ZN5blink9Scheduler18sharedTimerAdapterEv
    fun:_ZN7content17BlinkPlatformImpl9DoTimeoutEv
 }
+{
+   bug_417048a
+   Memcheck:Uninitialized
+   ...
+   fun:_ZNK5blink17RenderLineBoxList7hitTestEPNS_20RenderBoxModelObjectERKNS_14HitTestRequestERNS_13HitTestResultERKNS_15HitTestLocationERKNS_11LayoutPointENS_13HitTestActionE
+   fun:_ZN5blink*Render*_14HitTestRequestERNS_13HitTestResultERKNS_15HitTestLocationERKNS_11LayoutPointENS_13HitTestActionE
+}
+{
+   bug_417048b
+   Memcheck:Uninitialized
+   fun:_ZN5blink13InlineFlowBox45clearDescendantsHaveSameLineHeightAndBaselineEv
+   fun:_ZN5blinkL25setLogicalWidthForTextRunEPNS_13RootInlineBoxEPNS_7BidiRunEPNS_10RenderTextEfRKNS*
+   fun:_ZN5blink15RenderBlockFlow41computeInlineDirectionPositionsForSegmentEPNS_13RootInlineBoxERKNS*
+   fun:_ZN5blink15RenderBlockFlow38computeInlineDirectionPositionsForLineEPNS_13RootInlineBoxERKNS*
+}
+{
+   bug_417048c
+   Memcheck:Uninitialized
+   fun:_ZNK5blink13InlineFlowBox35constrainToLineTopAndBottomIfNeededERNS_10LayoutRectE
+   fun:_ZN5blink13InlineFlowBox28paintBoxDecorationBackgroundERNS_9PaintInfoERKNS_11LayoutPointE
+   fun:_ZN5blink13InlineFlowBox5paintERNS_9PaintInfoERKNS_11LayoutPointENS_10LayoutUnitES6_
+   fun:_ZN5blink13InlineFlowBox5paintERNS_9PaintInfoERKNS_11LayoutPointENS_10LayoutUnitES6_
+   fun:_ZN5blink13RootInlineBox5paintERNS_9PaintInfoERKNS_11LayoutPointENS_10LayoutUnitES6_
+   fun:_ZNK5blink18LineBoxListPainter5paintEPNS_20RenderBoxModelObjectERNS_9PaintInfoERKNS_11LayoutPointE
+}
+{
+   bug_417048d
+   Memcheck:Uninitialized
+   ...
+   fun:_ZNK5blink13RootInlineBox13maxLogicalTopEv
+   fun:_ZN5blinkL22computeUnderlineOffsetENS_21TextUnderlinePositionERKNS_11FontMetricsEPKNS_13InlineTextBoxEf
+   fun:_ZN5blink13InlineTextBox15paintDecorationEPNS_15GraphicsContextERKNS_10FloatPointENS_14TextDecorationE
+   fun:_ZN5blink13InlineTextBox5paintERNS_9PaintInfoERKNS_11LayoutPointENS_10LayoutUnitES6_
+   fun:_ZN5blink13InlineFlowBox5paintERNS_9PaintInfoERKNS_11LayoutPointENS_10LayoutUnitES6_
+   fun:_ZN5blink13RootInlineBox5paintERNS_9PaintInfoERKNS_11LayoutPointENS_10LayoutUnitES6_
+   fun:_ZNK5blink17RenderLineBoxList5paintEPNS_20RenderBoxModelObjectERNS_9PaintInfoERKNS_11LayoutPointE
+}

tools/valgrind/memcheck/suppressions_mac.txt

@@ -2491,3 +2491,22 @@
    fun:_ZN3gfx18RenderTextHarfBuzz12EnsureLayoutEv
    fun:_ZN3gfx41RenderTextTest_HarfBuzz_RunDirection_Test8TestBodyEv
 }
+{
+   bug_416957
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZN9__gnu_cxx13new_allocatorISt13_Rb_tree_nodeISt4pairIKPKN15tracked_objects6BirthsENS3_9DeathDataEEEE8allocateEmPKv
+   fun:_ZNSt8_Rb_treeIPKN15tracked_objects6BirthsESt4pairIKS3_NS0_9DeathDataEESt10_Select1stIS7_ESt4lessIS3_ESaIS7_EE11_M_get_nodeEv
+   fun:_ZNSt8_Rb_treeIPKN15tracked_objects6BirthsESt4pairIKS3_NS0_9DeathDataEESt10_Select1stIS7_ESt4lessIS3_ESaIS7_EE14_M_create_nodeERKS7_
+   fun:_ZNSt8_Rb_treeIPKN15tracked_objects6BirthsESt4pairIKS3_NS0_9DeathDataEESt10_Select1stIS7_ESt4lessIS3_ESaIS7_EE9_M_insertEPSt18_Rb_tree_node_baseSF_RKS7_
+   fun:_ZNSt8_Rb_treeIPKN15tracked_objects6BirthsESt4pairIKS3_NS0_9DeathDataEESt10_Select1stIS7_ESt4lessIS3_ESaIS7_EE16_M_insert_uniqueESt17_Rb_tree_iteratorIS7_ERKS7_
+   fun:_ZNSt3mapIPKN15tracked_objects6BirthsENS0_9DeathDataESt4lessIS3_ESaISt4pairIKS3_S4_EEE6insertESt17_Rb_tree_iteratorIS9_ERKS9_
+   fun:_ZNSt3mapIPKN15tracked_objects6BirthsENS0_9DeathDataESt4lessIS3_ESaISt4pairIKS3_S4_EEEixERS8_
+   fun:_ZN15tracked_objects10ThreadData11TallyADeathERKNS_6BirthsEiRKNS_13TaskStopwatchE
+   fun:_ZN15tracked_objects10ThreadData31TallyRunOnNamedThreadIfTrackingERKN4base12TrackingInfoERKNS_13TaskStopwatchE
+   fun:_ZN4base5debug13TaskAnnotator7RunTaskEPKcS3_RKNS_11PendingTaskE
+   fun:_ZN4base11MessageLoop7RunTaskERKNS_11PendingTaskE
+   fun:_ZN4base11MessageLoop21DeferOrRunPendingTaskERKNS_11PendingTaskE
+   fun:_ZN4base11MessageLoop6DoWorkEv
+}
+