Remove assert that is not useful.

extensions/browser/api/cast_channel/logger.cc

Index: extensions/browser/api/cast_channel/logger.cc
diff --git a/extensions/browser/api/cast_channel/logger.cc b/extensions/browser/api/cast_channel/logger.cc
index a44dcab661984d22d881188ec2b9bfaf5fec65f5..fe32182ac6872c43da8a22aa9017b9841cffc5a1 100644
--- a/extensions/browser/api/cast_channel/logger.cc
+++ b/extensions/browser/api/cast_channel/logger.cc
@@ -77,9 +77,6 @@ scoped_ptr<char[]> Compress(const std::string& input, size_t* length) {
   size_t out_size = deflateBound(&stream, input.size());
   scoped_ptr<char[]> out(new char[out_size]);
 
-  static_assert(sizeof(uint8) == sizeof(char),
-                "uint8 char should be of different sizes");
-
   stream.next_in = reinterpret_cast<uint8*>(const_cast<char*>(input.data()));
   stream.avail_in = input.size();
   stream.next_out = reinterpret_cast<uint8*>(out.get());