Fix broken build.

remoting/client/plugin/compression.cc

Index: remoting/client/plugin/compression.cc
===================================================================
--- remoting/client/plugin/compression.cc	(revision 49842)
+++ remoting/client/plugin/compression.cc	(working copy)
@@ -29,8 +29,13 @@
     stream_.avail_out = kZLIB_CHUNK;
     stream_.next_out = reinterpret_cast<Bytef*>(&buffer_[last_size]);
     int ret = deflate(&stream_, flush);
-    assert(ret != Z_STREAM_ERROR);
 
+    // Check ret before the assert so that we don't get an unused variable
+    // warning in release builds.
+    if (ret == Z_STREAM_ERROR) {
+      assert(ret != Z_STREAM_ERROR);

[Sergey Ulanov, 2010/06/15 22:50:03]

This should be replaced with DCHECK. I think, it wouldn't break if this was a
DCHECK.

+    }
+
     // Shrink the size of the vector. It doesn't alter the capacity.
     int compressed = kZLIB_CHUNK - stream_.avail_out;
     buffer_.resize(last_size + compressed);
@@ -81,8 +86,13 @@
     stream_.avail_out = kZLIB_CHUNK;
     stream_.next_out = reinterpret_cast<Bytef*>(&buffer_[last_size]);
     int ret = inflate(&stream_, flush);
-    assert(ret != Z_STREAM_ERROR);
 
+    // Check ret before the assert so that we don't get an unused variable
+    // warning in release builds.
+    if (ret == Z_STREAM_ERROR) {
+      assert(ret != Z_STREAM_ERROR);
+    }
+
     // Shrink the size of the vector. It doesn't alter the capacity.
     int decompressed = kZLIB_CHUNK - stream_.avail_out;
     buffer_.resize(last_size + decompressed);