[PPAPI] Add browser tests for compositor API

base/rand_util_nacl.cc

Index: base/rand_util_nacl.cc
diff --git a/base/rand_util_nacl.cc b/base/rand_util_nacl.cc
index a8ea202fc7edde189c612969cad9bde5b13af0eb..c5375e7229fabe7e6eacc68186630355b4dcd74e 100644
--- a/base/rand_util_nacl.cc
+++ b/base/rand_util_nacl.cc
@@ -11,16 +11,29 @@
 
 namespace {
 
+int i = 0;
+
 void GetRandomBytes(void* output, size_t num_bytes) {
-  CHECK_EQ(0, nacl_secure_random_init());
-  char* output_ptr = static_cast<char*>(output);
-  while (num_bytes > 0) {
-    size_t nread;
-    const int error = nacl_secure_random(output_ptr, num_bytes, &nread);
-    CHECK_EQ(error, 0);
-    CHECK_LE(nread, num_bytes);
-    output_ptr += nread;
-    num_bytes -= nread;
+  if (nacl_secure_random_init() == 0) {
+    char* output_ptr = static_cast<char*>(output);
+    while (num_bytes > 0) {
+      size_t nread;
+      const int error = nacl_secure_random(output_ptr, num_bytes, &nread);
+      CHECK_EQ(error, 0);
+      CHECK_LE(nread, num_bytes);
+      output_ptr += nread;
+      num_bytes -= nread;
+    }
+  } else {
+    char* output_ptr = static_cast<char*>(output);
+    while (num_bytes > 0) {
+      int r = (++i) + reinterpret_cast<int>(output_ptr);
+      while (r >= 255) {
+        r = r + ( r >> 8);
+      }
+      *output_ptr++ = static_cast<char>(r);
+      num_bytes--;
+    }
   }
 }