Add new GN junit binary template and new GYP java binary template.

testing/android/junit/java/src/org/chromium/testing/local/JunitTestArgParser.java

Index: testing/android/junit/java/src/org/chromium/testing/local/JunitTestArgParser.java
diff --git a/testing/android/junit/java/src/org/chromium/testing/local/JunitTestArgParser.java b/testing/android/junit/java/src/org/chromium/testing/local/JunitTestArgParser.java
index 28379764291ba694e73c76d2f696b989b567fd45..89600f450aeaa4d86be441ceb1bbc20c1ef59322 100644
--- a/testing/android/junit/java/src/org/chromium/testing/local/JunitTestArgParser.java
+++ b/testing/android/junit/java/src/org/chromium/testing/local/JunitTestArgParser.java
@@ -7,16 +7,19 @@ package org.chromium.testing.local;
 import java.io.File;
 import java.util.HashSet;
 import java.util.Set;
+import java.util.regex.Pattern;
 
 /**
  *  Parses command line arguments for JunitTestMain.
  */
 public class JunitTestArgParser {
 
+    private static final Pattern COLON = Pattern.compile(":");

[jbudorick, 2015/04/02 14:21:43]

nit: Separate this from the members.

     private final Set<String> mPackageFilters;
     private final Set<Class<?>> mRunnerFilters;
     private final Set<String> mGtestFilters;
     private File mJsonOutput;
+    private String[] mTestJars;
 
     public static JunitTestArgParser parse(String[] args) {
 
@@ -43,6 +46,9 @@ public class JunitTestArgParser {
                     } else if ("json-results-file".equals(argName)) {
                         // Read the command line argument after the flag.
                         parsed.setJsonOutputFile(args[++i]);
+                    } else if ("test-jars".equals(argName)) {
+                        // Read the command line argument after the flag.
+                        parsed.setTestJars(args[++i]);
                     } else {
                         System.out.println("Ignoring flag: \"" + argName + "\"");
                     }
@@ -84,6 +90,10 @@ public class JunitTestArgParser {
         return mJsonOutput;
     }
 
+    public String[] getTestJars() {
+        return mTestJars;
+    }
+
     private void addPackageFilter(String packageFilter) {
         mPackageFilters.add(packageFilter);
     }
@@ -100,5 +110,7 @@ public class JunitTestArgParser {
         mJsonOutput = new File(path);
     }
 
-}
-
+    private void setTestJars(String jars) {
+        mTestJars = COLON.split(jars);
+    }
+}