Switch to TimeDelta interfaces for process waiting functions in net and ipc.

ipc/ipc_fuzzing_tests.cc

Index: ipc/ipc_fuzzing_tests.cc
diff --git a/ipc/ipc_fuzzing_tests.cc b/ipc/ipc_fuzzing_tests.cc
index 34394bf8ec0e87e4dd551ef5068bfa49b55f6f2f..4c3e9c9673f072c584ff1738c0a417cea3022157 100644
--- a/ipc/ipc_fuzzing_tests.cc
+++ b/ipc/ipc_fuzzing_tests.cc
@@ -282,7 +282,8 @@ TEST_F(IPCFuzzingTest, SanityTest) {
   chan.Send(msg);
   EXPECT_TRUE(listener.ExpectMessage(value, MsgClassSI::ID));
 
-  EXPECT_TRUE(base::WaitForSingleProcess(server_process, 5000));
+  EXPECT_TRUE(base::WaitForSingleProcess(
+      server_process, base::TimeDelta::FromSeconds(5)));
   base::CloseProcessHandle(server_process);
 }
 
@@ -312,7 +313,8 @@ TEST_F(IPCFuzzingTest, MsgBadPayloadShort) {
   chan.Send(msg);
   EXPECT_TRUE(listener.ExpectMessage(1, MsgClassSI::ID));
 
-  EXPECT_TRUE(base::WaitForSingleProcess(server_process, 5000));
+  EXPECT_TRUE(base::WaitForSingleProcess(
+      server_process, base::TimeDelta::FromSeconds(5)));
   base::CloseProcessHandle(server_process);
 }
 #endif
@@ -347,7 +349,8 @@ TEST_F(IPCFuzzingTest, MsgBadPayloadArgs) {
   chan.Send(msg);
   EXPECT_TRUE(listener.ExpectMessage(3, MsgClassIS::ID));
 
-  EXPECT_TRUE(base::WaitForSingleProcess(server_process, 5000));
+  EXPECT_TRUE(base::WaitForSingleProcess(
+      server_process, base::TimeDelta::FromSeconds(5)));
   base::CloseProcessHandle(server_process);
 }