Add support for escaped target names in isolate driver.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index e5f2f75c07a772d700b2c0fdea07d6da852a5ac4..c36897f7de1ba97abf9e6ca97010d7526ba36771 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -3065,6 +3065,11 @@
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
+            ['OS=="mac"', {
+              'dependencies': [
+                'chrome_main_dll',

[Nico, 2015/05/04 16:08:11]

This should be unnecessary because chrome should depend on that, and this
depends on chrome

+              ],
+            }],
           ],
         },
         {
@@ -3079,6 +3084,11 @@
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
+            ['OS=="mac"', {
+              'dependencies': [
+                'chrome_main_dll',

[Nico, 2015/05/04 16:08:11]

likewise

+              ],
+            }],
           ],
           'includes': [
             '../build/isolate.gypi',
@@ -3099,6 +3109,11 @@
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
+            ['OS=="mac"', {
+              'dependencies': [
+                'chrome_main_dll',
+              ],
+            }],
           ],
           'includes': [
             '../build/isolate.gypi',