Add a few more FuzzTraits to the IPC fuzzer.

tools/ipc_fuzzer/fuzzer/fuzzer.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <iostream>
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 137 matching lines @@
 
 template <>
 struct FuzzTraits<unsigned short> {
   static bool Fuzz(unsigned short* p, Fuzzer* fuzzer) {
     fuzzer->FuzzUInt16(reinterpret_cast<uint16_t*>(p));
     return true;
   }
 };
 
 template <>
-struct FuzzTraits<char> {
-  static bool Fuzz(char* p, Fuzzer* fuzzer) {
+struct FuzzTraits<signed char> {
+  static bool Fuzz(signed char* p, Fuzzer* fuzzer) {
     fuzzer->FuzzUChar(reinterpret_cast<unsigned char*>(p));
     return true;
   }
 };
 
 template <>
 struct FuzzTraits<unsigned char> {
   static bool Fuzz(unsigned char* p, Fuzzer* fuzzer) {
     fuzzer->FuzzUChar(p);
     return true;
@@ skipping 1253 matching lines @@
         static_cast<media::ChannelLayout>(channel_layout), sample_rate,
         bits_per_sample, frames_per_buffer);
     params.set_channels_for_discrete(channels);
     params.set_effects(effects);
     *p = params;
     return true;
   }
 };
 
 template <>
+struct FuzzTraits<media::cast::RtpTimeTicks> {
+  static bool Fuzz(media::cast::RtpTimeTicks* p, Fuzzer* fuzzer) {
+    base::TimeDelta delta;
+    int base;
+    if (!FuzzParam(&delta, fuzzer))
+      return false;
+    if (!FuzzParam(&base, fuzzer))
+      return false;
+    *p = media::cast::RtpTimeTicks::FromTimeDelta(delta, base);
+    return true;
+  }
+};
+
+template <>
 struct FuzzTraits<media::VideoCaptureFormat> {
   static bool Fuzz(media::VideoCaptureFormat* p, Fuzzer* fuzzer) {
     if (!FuzzParam(&p->frame_size, fuzzer))
       return false;
     if (!FuzzParam(&p->frame_rate, fuzzer))
       return false;
     if (!FuzzParam(reinterpret_cast<int*>(&p->pixel_format), fuzzer))
       return false;
     return true;
   }
@@ skipping 686 matching lines @@
 #include "tools/ipc_fuzzer/message_lib/all_message_null_macros.h"
 #undef IPC_MESSAGE_DECL
 #define IPC_MESSAGE_DECL(name, ...) \
   (*map)[static_cast<uint32_t>(name::ID)] = FuzzerHelper<name>::Fuzz;
 
 void PopulateFuzzerFunctionMap(FuzzerFunctionMap* map) {
 #include "tools/ipc_fuzzer/message_lib/all_messages.h"
 }
 
 }  // namespace ipc_fuzzer