Replace usages of @deprecated methods in com.google.common.io.Files w…

…ith non-deprecated replacements.

	Change on 2018/11/28 by glorioso <glorioso@google.com>

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=223180609

cycle_finder/src/main/java/com/google/devtools/cyclefinder/CycleFinder.java

@@ -126,7 +126,8 @@ private File stripIncompatible(
       String relativePath = qualifiedName.replace('.', File.separatorChar) + ".java";
       File strippedFile = new File(strippedDir, relativePath);
       Files.createParentDirs(strippedFile);
-      Files.write(parseResult.getSource(), strippedFile, Charset.forName(options.fileEncoding()));
+      Files.asCharSink(strippedFile, Charset.forName(options.fileEncoding()))
+          .write(parseResult.getSource());
       sourceFileNames.set(i, strippedFile.getPath());
     }
     return strippedDir;

cycle_finder/src/test/java/com/google/devtools/cyclefinder/CycleFinderTest.java

@@ -444,12 +444,14 @@ private void findCycles() throws IOException {
     Options options = new Options();
     if (!whitelistEntries.isEmpty()) {
       File whitelistFile = new File(tempDir, "whitelist");
-      Files.write(Joiner.on("\n").join(whitelistEntries), whitelistFile, Charset.defaultCharset());
+      Files.asCharSink(whitelistFile, Charset.defaultCharset())
+          .write(Joiner.on("\n").join(whitelistEntries));
       options.addWhitelistFile(whitelistFile.getAbsolutePath());
     }
     if (!blacklistEntries.isEmpty()) {
       File blacklistFile = new File(tempDir, "type_filter");
-      Files.write(Joiner.on("\n").join(blacklistEntries), blacklistFile, Charset.defaultCharset());
+      Files.asCharSink(blacklistFile, Charset.defaultCharset())
+          .write(Joiner.on("\n").join(blacklistEntries));
       options.addBlacklistFile(blacklistFile.getAbsolutePath());
     }
     options.setSourceFiles(inputFiles);
@@ -472,7 +474,7 @@ private void findCycles() throws IOException {
   private void addSourceFile(String fileName, String source) throws IOException {
     File file = new File(tempDir, fileName);
     file.getParentFile().mkdirs();
-    Files.write(source, file, Charset.defaultCharset());
+    Files.asCharSink(file, Charset.defaultCharset()).write(source);
     inputFiles.add(file.getAbsolutePath());
   }