Add support for escaped target names in isolate driver.

chrome/interactive_ui_tests.isolate

Index: chrome/interactive_ui_tests.isolate
diff --git a/chrome/interactive_ui_tests.isolate b/chrome/interactive_ui_tests.isolate
index 9823d0cf9b05fe0b78c047c9531680536d24d2ce..133fdd4bd788f6d84a0ea110ba13a0fe0ceb831a 100644
--- a/chrome/interactive_ui_tests.isolate
+++ b/chrome/interactive_ui_tests.isolate
@@ -81,6 +81,13 @@
         ],
       },
     }],
+    ['OS=="mac" and component=="shared_library"', {
+      'variables': {
+        'files': [
+          '<(PRODUCT_DIR)/libchrome_main_dll.dylib',
+        ],
+      },
+    }],
     ['OS=="mac" and asan==1 and fastbuild==0', {
       'variables': {
         'files': [