SendPageMessage() should not send to a WebView guest's embedder.

chrome/browser/apps/guest_view/web_view_browsertest.cc

Index: chrome/browser/apps/guest_view/web_view_browsertest.cc
diff --git a/chrome/browser/apps/guest_view/web_view_browsertest.cc b/chrome/browser/apps/guest_view/web_view_browsertest.cc
index 4b350c318dc0e56939615760a7890f953790edee..e103e71e6341ad8a24f51106629b65d23784643f 100644
--- a/chrome/browser/apps/guest_view/web_view_browsertest.cc
+++ b/chrome/browser/apps/guest_view/web_view_browsertest.cc
@@ -2429,13 +2429,7 @@ class WebViewCaptureTest : public WebViewTest {
 INSTANTIATE_TEST_CASE_P(WebViewTests, WebViewCaptureTest, testing::Bool());
 
 IN_PROC_BROWSER_TEST_P(WebViewTest, Shim_TestZoomAPI) {
-  // TODO(wjmaclean): This test is broken, but only when the
-  // --use-cross-process-frames-for-guests flag is specified. This needs to be
-  // fixed. See also comment in
-  // CrossProcessFrameConnector::OnFrameRectChanged().
-  // http://crbug.com/607978
-  if (!GetParam())
-    TestHelper("testZoomAPI", "web_view/shim", NO_TEST_SERVER);
+  TestHelper("testZoomAPI", "web_view/shim", NO_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_P(WebViewTest, Shim_TestFindAPI) {