Suppress memory errors in DrMemory and Valgrind.

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
diff --git a/tools/valgrind/memcheck/suppressions.txt b/tools/valgrind/memcheck/suppressions.txt
index 5d45b4edf657cc52e81b08a4f361dd146523db90..a6206db510b439be511f3efbf7f9a2af2770930d 100644
--- a/tools/valgrind/memcheck/suppressions.txt
+++ b/tools/valgrind/memcheck/suppressions.txt
@@ -3442,3 +3442,11 @@
    ...
    fun:_ZN4base4BindIMN7content21ChromeAppCacheServiceEFvRKNS_8FilePathEPNS1_15ResourceContextEPN3net23URLRequestContextGetterE13scoped_refptrIN7storage20SpecialStoragePolicyEEEJPS2_S3_S7_SB_IS9_ESE_EEENS_8CallbackINS_8internal22MakeUnboundRunTypeImplIT_JDpT0_EE4TypeEEESM_DpOSN_
 }
+{
+   bug_593913
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZN14TestingProfile20CreateRequestContextEPSt3mapISs10linked_ptrIN3net20URLRequestJobFactory15ProtocolHandlerEESt4lessISsESaISt4pairIKSsS5_EEE12ScopedVectorINS2_21URLRequestInterceptorEE
+   fun:_ZN26ChromeContentBrowserClient20CreateRequestContextEPN7content14BrowserContextEPSt3mapISs10linked_ptrIN3net20URLRequestJobFactory15ProtocolHandlerEESt4lessISsESaISt4pairIKSsS8_EEE12ScopedVectorINS5_21URLRequestInterceptorEE
+   fun:_ZN7content23StoragePartitionImplMap3GetERKSsS2_b
+}