[java] Deprecating FirefoxBinary

It is not needed anymore, as users can
provide the browser binary path with
a `Path` or a `String`.

java/src/org/openqa/selenium/firefox/FirefoxBinary.java

@@ -38,6 +38,12 @@
 import org.openqa.selenium.WebDriverException;
 import org.openqa.selenium.os.ExecutableFinder;
 
+/**
+ * A wrapper around Firefox's binary. This allows us to locate the binary in a portable way.
+ *
+ * @deprecated Use {@link FirefoxOptions#setBinary(Path)} or {@link
+ * FirefoxOptions#setBinary(String)} instead.
+ */
 public class FirefoxBinary {
 
  /** Enumerates Firefox channels, according to https://wiki.mozilla.org/RapidRelease */
@@ -178,7 +184,7 @@ static Executable locateFirefoxBinaryFromSystemProperty() {
  if (!binaryName.endsWith(".app")) {
  binaryName += ".app";
  }
- binaryName += "/Contents/MacOS/firefox-bin";
+ binaryName += "/Contents/MacOS/firefox";
  }
 
  binary = new File(binaryName);
@@ -210,7 +216,7 @@ private static Stream<Executable> locateFirefoxBinariesFromPlatform() {
 
  } else if (current.is(MAC)) {
  // system
- File binary = new File("/Applications/Firefox.app/Contents/MacOS/firefox-bin");
+ File binary = new File("/Applications/Firefox.app/Contents/MacOS/firefox");
  if (binary.exists()) {
  executables.add(new Executable(binary));
  }
@@ -222,7 +228,7 @@ private static Stream<Executable> locateFirefoxBinariesFromPlatform() {
  }
 
  } else if (current.is(UNIX)) {
- String systemFirefoxBin = new ExecutableFinder().find("firefox-bin");
+ String systemFirefoxBin = new ExecutableFinder().find("firefox");
  if (systemFirefoxBin != null) {
  executables.add(new Executable(new File(systemFirefoxBin)));
  }