Suppress more reports on the Valgrind x64 Linux bot

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
===================================================================
--- tools/valgrind/memcheck/suppressions.txt	(revision 107098)
+++ tools/valgrind/memcheck/suppressions.txt	(working copy)
@@ -3245,6 +3245,13 @@
 }
 {
    bug_75127b
+   Memcheck:Value8
+   ...
+   fun:png_process_data
+   fun:_ZN3gfx8PNGCodec6Decode*
+}
+{
+   bug_75127c
    Memcheck:Cond
    ...
    fun:png_process_data
@@ -4954,6 +4961,42 @@
    fun:_ZN5ppapi5proxy38EnterHostFromHostResourceForceCallbackINS_5thunk18PPB_Graphics2D_APIEEC1IN2pp25CompletionCallbackFactoryINS0_20PPB_Graphics2D_ProxyENS0_26ProxyNonThreadSafeRefCountEEEMS8_FviRKNS_12HostResourceEESB_EESD_RT_T0_RKT1_
    fun:_ZN5ppapi5proxy20PPB_Graphics2D_Proxy10OnMsgFlushERKNS_12HostResourceE
 }
+{
+   bug_101468a
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZN9__gnu_cxx13new_allocatorISt13_Rb_tree_nodeISt4pairIKSsPN4base5ValueEEEE8allocateEmPKv
+   fun:_ZNSt8_Rb_treeISsSt4pairIKSsPN4base5ValueEESt10_Select1stIS5_ESt4lessISsESaIS5_EE11_M_get_nodeEv
+   fun:_ZNSt8_Rb_treeISsSt4pairIKSsPN4base5ValueEESt10_Select1stIS5_ESt4lessISsESaIS5_EE14_M_create_nodeERKS5_
+   fun:_ZNSt8_Rb_treeISsSt4pairIKSsPN4base5ValueEESt10_Select1stIS5_ESt4lessISsESaIS5_EE10_M_insert_EPKSt18_Rb_tree_node_baseSE_RKS5_
+   fun:_ZNSt8_Rb_treeISsSt4pairIKSsPN4base5ValueEESt10_Select1stIS5_ESt4lessISsESaIS5_EE16_M_insert_uniqueERKS5_
+   fun:_ZNSt3mapISsPN4base5ValueESt4lessISsESaISt4pairIKSsS2_EEE6insertERKS7_
+   fun:_ZN4base15DictionaryValue23SetWithoutPathExpansionERKSsPNS_5ValueE
+   fun:_ZN4base15DictionaryValue3SetERKSsPNS_5ValueE
+   ...
+   fun:_ZN26bookmark_extension_helpers17GetNodeDictionaryEPK12BookmarkNodebb
+   fun:_ZN*ExtensionBookmarksTest_*_Test8TestBodyEv
+}
+{
+   bug_101468b
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZN26bookmark_extension_helpers17GetNodeDictionaryEPK12BookmarkNodebb
+   fun:_ZN*ExtensionBookmarksTest_*_Test8TestBodyEv
+}
+{
+   bug_101470
+   Memcheck:Param
+   write(buf)
+   obj:/lib/libc-2.11.1.so
+   fun:_IO_file_write@@GLIBC_2.2.5
+   ...
+   fun:f*
+   ...
+   fun:_ZNK13safe_browsing9PrefixSet9WriteFileERK8FilePath
+   fun:_ZN12_GLOBAL__N_113PrefixSetTest16GetPrefixSetFileEP8FilePath
+   fun:_ZN12_GLOBAL__N_1*PrefixSetTest_*_Test8TestBodyEv
+}
 
 #-----------------------------------------------------------------------
 # 4. These only occur on our Google workstations