Update telemetry tests that rely on window.innerWidth/Height.

third_party/WebKit/Source/web/WebViewImpl.cpp

Index: third_party/WebKit/Source/web/WebViewImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebViewImpl.cpp b/third_party/WebKit/Source/web/WebViewImpl.cpp
index c760a81f73fe1a734e7fc5822a9c6502269d0cdd..f508e8175d6d8df3ecc87585c3ee08ec608dd55c 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -3023,6 +3023,12 @@ WebFloatPoint WebViewImpl::pinchViewportOffset() const
     return visualViewportOffset();
 }
 
+WebFloatSize WebViewImpl::visualViewportSize() const
+{
+    ASSERT(page());
+    return page()->frameHost().visualViewport().visibleRect().size();
+}
+
 void WebViewImpl::scrollAndRescaleViewports(float scaleFactor,
     const IntPoint& mainFrameOrigin,
     const FloatPoint& visualViewportOrigin)