[mojo-edk] Make the Mojo EDK compile under NaCl.

mojo/edk/system/node_controller.cc

Index: mojo/edk/system/node_controller.cc
diff --git a/mojo/edk/system/node_controller.cc b/mojo/edk/system/node_controller.cc
index e106063f971e5be9450ab0a8da8eae8365f12ea5..eaf406198d3ef293f1d37a6a997c4e426589c7f0 100644
--- a/mojo/edk/system/node_controller.cc
+++ b/mojo/edk/system/node_controller.cc
@@ -14,9 +14,9 @@
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/process/process_handle.h"
+#include "base/rand_util.h"
 #include "base/time/time.h"
 #include "base/timer/elapsed_timer.h"
-#include "crypto/random.h"
 #include "mojo/edk/embedder/embedder_internal.h"
 #include "mojo/edk/embedder/platform_channel_pair.h"
 #include "mojo/edk/system/broker.h"
@@ -28,13 +28,22 @@
 #include "mojo/edk/system/mach_port_relay.h"
 #endif
 
+#if !defined(OS_NACL)
+#include "crypto/random.h"
+#endif
+
 namespace mojo {
 namespace edk {
 
 namespace {
 
+#if defined(OS_NACL)
+template <typename T>
+void GenerateRandomName(T* out) { base::RandBytes(out, sizeof(T)); }
+#else
 template <typename T>
 void GenerateRandomName(T* out) { crypto::RandBytes(out, sizeof(T)); }
+#endif
 
 ports::NodeName GetRandomNodeName() {
   ports::NodeName name;
@@ -142,7 +151,7 @@ void NodeController::ConnectToChild(base::ProcessHandle process_handle,
 
 void NodeController::ConnectToParent(ScopedPlatformHandle platform_handle) {
 // TODO(amistry): Consider the need for a broker on Windows.
-#if defined(OS_POSIX) && !defined(OS_MACOSX)
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_NACL)
   // On posix, use the bootstrap channel for the broker and receive the node's
   // channel synchronously as the first message from the broker.
   base::ElapsedTimer timer;
@@ -237,7 +246,7 @@ int NodeController::MergeLocalPorts(const ports::PortRef& port0,
 
 scoped_refptr<PlatformSharedBuffer> NodeController::CreateSharedBuffer(
     size_t num_bytes) {
-#if defined(OS_POSIX) && !defined(OS_MACOSX)
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_NACL)
   // Shared buffer creation failure is fatal, so always use the broker when we
   // have one. This does mean that a non-root process that has children will use
   // the broker for shared buffer creation even though that process is
@@ -264,7 +273,7 @@ void NodeController::ConnectToChildOnIOThread(
     ScopedPlatformHandle platform_handle) {
   DCHECK(io_task_runner_->RunsTasksOnCurrentThread());
 
-#if defined(OS_POSIX) && !defined(OS_MACOSX)
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_NACL)
   PlatformChannelPair node_channel;
   // BrokerHost owns itself.
   BrokerHost* broker_host = new BrokerHost(std::move(platform_handle));