Fix page zoom to be frame-centric for out-of-process frames.

content/browser/host_zoom_map_impl_browsertest.cc

Index: content/browser/host_zoom_map_impl_browsertest.cc
diff --git a/content/browser/host_zoom_map_impl_browsertest.cc b/content/browser/host_zoom_map_impl_browsertest.cc
index fbfdc3c62e54886f54c3c429c3dfd4062217baa8..d0b9a8d8cf223cdfa3f6fbac0e26baecf0afc28a 100644
--- a/content/browser/host_zoom_map_impl_browsertest.cc
+++ b/content/browser/host_zoom_map_impl_browsertest.cc
@@ -8,12 +8,19 @@
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/content_browser_test.h"
+#include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
+#include "net/dns/mock_host_resolver.h"
 #include "url/gurl.h"
 
 namespace content {
 
 class HostZoomMapImplBrowserTest : public ContentBrowserTest {
+ protected:
+  void SetUpOnMainThread() override {
+    host_resolver()->AddRule("*", "127.0.0.1");
+    ASSERT_TRUE(embedded_test_server()->Start());
+  }
 };
 
 void RunTestForURL(const GURL& url,
@@ -51,6 +58,9 @@ void RunTestForURL(const GURL& url,
 IN_PROC_BROWSER_TEST_F(HostZoomMapImplBrowserTest, GetZoomForView_Host) {
   GURL url("http://abc.com");
 
+  // We must navigate so the WebContents has a committed entry.
+  EXPECT_TRUE(NavigateToURL(shell(), url));
+
   HostZoomMap* host_zoom_map =
       HostZoomMap::GetForWebContents(shell()->web_contents());
 
@@ -70,6 +80,9 @@ IN_PROC_BROWSER_TEST_F(HostZoomMapImplBrowserTest,
                        GetZoomForView_HostAndScheme) {
   GURL url("http://abc.com");
 
+  // We must navigate so the WebContents has a committed entry.
+  EXPECT_TRUE(NavigateToURL(shell(), url));
+
   HostZoomMap* host_zoom_map =
       HostZoomMap::GetForWebContents(shell()->web_contents());