Enable size_t to int truncation warnings in PPAPI

ppapi/tests/test_host_resolver.cc

 // Copyright 2013 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 "ppapi/tests/test_host_resolver.h"
 
 #include "ppapi/cpp/host_resolver.h"
 #include "ppapi/cpp/net_address.h"
 #include "ppapi/cpp/tcp_socket.h"
 #include "ppapi/cpp/var.h"
@@ skipping 67 matching lines @@
   ASSERT_EQ(num_bytes, callback.result());
   *bytes_written = callback.result();
   PASS();
 }
 
 std::string TestHostResolver::CheckHTTPResponse(pp::TCPSocket* socket,
                                                 const std::string& request,
                                                 const std::string& response) {
   int32_t rv = 0;
   ASSERT_SUBTEST_SUCCESS(
-      SyncWrite(socket, request.c_str(), request.size(), &rv));
+      SyncWrite(socket, request.c_str(), static_cast<int32_t>(request.size()),
+                &rv));
   std::vector<char> response_buffer(response.size());
   ASSERT_SUBTEST_SUCCESS(
-      SyncRead(socket, &response_buffer[0], response.size(), &rv));
+      SyncRead(socket, &response_buffer[0],
+               static_cast<int32_t>(response.size()), &rv));
   std::string actual_response(&response_buffer[0], rv);
   if (response != actual_response) {
     return "CheckHTTPResponse failed, expected: " + response +
         ", actual: " + actual_response;
   }
   PASS();
 }
 
 std::string TestHostResolver::SyncResolve(
     pp::HostResolver* host_resolver,
@@ skipping 12 matching lines @@
     const PP_HostResolver_Hint& hint) {
   pp::HostResolver host_resolver(instance_);
 
   ASSERT_SUBTEST_SUCCESS(SyncResolve(&host_resolver, host_, port_, hint));
 
   size_t size = host_resolver.GetNetAddressCount();
   ASSERT_TRUE(size >= 1);
 
   pp::NetAddress address;
   for (size_t i = 0; i < size; ++i) {
-    address = host_resolver.GetNetAddress(i);
+    address = host_resolver.GetNetAddress(static_cast<uint32_t>(i));
     ASSERT_NE(0, address.pp_resource());
 
     pp::TCPSocket socket(instance_);
     ASSERT_SUBTEST_SUCCESS(SyncConnect(&socket, address));
     ASSERT_SUBTEST_SUCCESS(CheckHTTPResponse(&socket,
                                              "GET / HTTP/1.0\r\n\r\n",
                                              "HTTP"));
     socket.Close();
   }
 
-  address = host_resolver.GetNetAddress(size);
+  address = host_resolver.GetNetAddress(static_cast<uint32_t>(size));
   ASSERT_EQ(0, address.pp_resource());
   pp::Var canonical_name = host_resolver.GetCanonicalName();
   ASSERT_TRUE(canonical_name.is_string());
 
   ASSERT_SUBTEST_SUCCESS(SyncResolve(&host_resolver, canonical_name.AsString(),
                                      port_, hint));
   size = host_resolver.GetNetAddressCount();
   ASSERT_TRUE(size >= 1);
 
   PASS();
@@ skipping 14 matching lines @@
   hint.flags = PP_HOSTRESOLVER_FLAG_CANONNAME;
   return ParameterizedTestResolve(hint);
 }
 
 std::string TestHostResolver::TestResolveIPv4() {
   PP_HostResolver_Hint hint;
   hint.family = PP_NETADDRESS_FAMILY_IPV4;
   hint.flags = PP_HOSTRESOLVER_FLAG_CANONNAME;
   return ParameterizedTestResolve(hint);
 }