Add libpeerconnection.{so,dll} to browser_tests.isolate

chrome/browser_tests.isolate

Index: chrome/browser_tests.isolate
diff --git a/chrome/browser_tests.isolate b/chrome/browser_tests.isolate
index 6b377a46dfea985d8f3f3bea78d0bd095e2e95df..668b4b9e5bc63909d0e21967963c5e18fe92a9ec 100644
--- a/chrome/browser_tests.isolate
+++ b/chrome/browser_tests.isolate
@@ -23,6 +23,13 @@
         ],
       },
     }],
+    ['OS=="linux" and libpeer_target_type=="loadable_module"', {
+      'variables': {
+        'isolate_dependency_tracked': [
+          '<(PRODUCT_DIR)/lib/libpeerconnection.so',
+        ],
+      },
+    }],
     ['OS=="linux" or OS=="mac"', {
       'variables': {
         'isolate_dependency_tracked': [
@@ -136,6 +143,13 @@
         ],
       },
     }],
+    ['OS=="win" and libpeer_target_type=="loadable_module"', {
+      'variables': {
+        'isolate_dependency_tracked': [
+          '<(PRODUCT_DIR)/libpeerconnection.dll',
+        ],
+      },
+    }],
     ['chromeos==1', {
       'variables': {
         'isolate_dependency_untracked': [