Add support for bsdiff of file system metadata blocks

delta_diff_generator_unittest.cc

Index: delta_diff_generator_unittest.cc
diff --git a/delta_diff_generator_unittest.cc b/delta_diff_generator_unittest.cc
index 2a703994b66ecfa4bd7fc4656342b65295e45ece..59d4c94e45d996b102a5aa74003e044f192e6912 100644
--- a/delta_diff_generator_unittest.cc
+++ b/delta_diff_generator_unittest.cc
@@ -6,13 +6,17 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
+
 #include <set>
 #include <sstream>
 #include <string>
 #include <utility>
 #include <vector>
+
 #include <gtest/gtest.h>
+
 #include "base/logging.h"

[adlr, 2010/12/15 03:11:23]

move the base headers up to the library section (w/ gtest) and use <> rather
than ""

[thieule, 2010/12/15 19:57:01]

Done.

+#include "base/string_util.h"
 #include "update_engine/cycle_breaker.h"
 #include "update_engine/delta_diff_generator.h"
 #include "update_engine/delta_performer.h"
@@ -713,7 +717,7 @@ TEST_F(DeltaDiffGeneratorTest, RunAsRootAssignTempBlocksReuseTest) {
                                   &fd));
   ScopedFdCloser fd_closer(&fd);
   off_t data_file_size = 0;
-  
+
   EXPECT_TRUE(DeltaDiffGenerator::AssignTempBlocks(&graph,
                                                    temp_dir,
                                                    fd,