Make PageScaleFactor work for oopif subframes.

content/browser/site_per_process_browsertest.cc

Index: content/browser/site_per_process_browsertest.cc
diff --git a/content/browser/site_per_process_browsertest.cc b/content/browser/site_per_process_browsertest.cc
index c39b6e9dee2d767d51d6d8743a07b4b2723e85f7..c21972b8ab225011620196b8104e1f39192c8c78 100644
--- a/content/browser/site_per_process_browsertest.cc
+++ b/content/browser/site_per_process_browsertest.cc
@@ -8146,8 +8146,12 @@ IN_PROC_BROWSER_TEST_F(SitePerProcessGestureBrowserTest,
             child_frame_monitor.events_received()[2]);
   EXPECT_EQ(blink::WebInputEvent::GestureScrollBegin,
             child_frame_monitor.events_received()[3]);
-  EXPECT_EQ(blink::WebInputEvent::GestureScrollEnd,
+  EXPECT_EQ(blink::WebInputEvent::GesturePinchBegin,
             child_frame_monitor.events_received()[4]);
+  EXPECT_EQ(blink::WebInputEvent::GesturePinchEnd,
+            child_frame_monitor.events_received()[5]);
+  EXPECT_EQ(blink::WebInputEvent::GestureScrollEnd,
+            child_frame_monitor.events_received()[6]);
 }
 
 IN_PROC_BROWSER_TEST_F(SitePerProcessGestureBrowserTest,
@@ -8183,7 +8187,11 @@ IN_PROC_BROWSER_TEST_F(SitePerProcessGestureBrowserTest,
             root_frame_monitor.events_received()[6]);
 
   // Verify child-RWHI gets no events.
-  EXPECT_FALSE(child_frame_monitor.EventWasReceived());
+  EXPECT_TRUE(child_frame_monitor.EventWasReceived());
+  EXPECT_EQ(blink::WebInputEvent::GesturePinchBegin,
+            child_frame_monitor.events_received()[0]);
+  EXPECT_EQ(blink::WebInputEvent::GesturePinchEnd,
+            child_frame_monitor.events_received()[1]);
 }
 #endif