Audited and renamed uses of methods and variables named RootView

Source/web/ValidationMessageClientImpl.cpp

Index: Source/web/ValidationMessageClientImpl.cpp
diff --git a/Source/web/ValidationMessageClientImpl.cpp b/Source/web/ValidationMessageClientImpl.cpp
index 0405aa99734e2a4bc18d0e4aaf83e430c3d21a7c..9e83790cc060d63c5b6c0f5c7db95b15c286c064 100644
--- a/Source/web/ValidationMessageClientImpl.cpp
+++ b/Source/web/ValidationMessageClientImpl.cpp
@@ -73,15 +73,15 @@ void ValidationMessageClientImpl::showValidationMessage(const Element& anchor, c
     if (m_currentAnchor)
         hideValidationMessage(*m_currentAnchor);
     m_currentAnchor = &anchor;
-    IntRect anchorInRootView = currentView()->contentsToRootView(anchor.pixelSnappedBoundingBox());
-    m_lastAnchorRectInScreen = currentView()->hostWindow()->rootViewToScreen(anchorInRootView);
+    IntRect anchorInViewport = currentView()->contentsToWindow(anchor.pixelSnappedBoundingBox());
+    m_lastAnchorRectInScreen = currentView()->hostWindow()->viewportToScreen(anchorInViewport);
     m_lastPageScaleFactor = m_webView.pageScaleFactor();
     m_message = message;
     const double minimumSecondToShowValidationMessage = 5.0;
     const double secondPerCharacter = 0.05;
     const double statusCheckInterval = 0.1;
 
-    m_webView.client()->showValidationMessage(anchorInRootView, m_message, toWebTextDirection(messageDir),
+    m_webView.client()->showValidationMessage(anchorInViewport, m_message, toWebTextDirection(messageDir),
         subMessage, toWebTextDirection(subMessageDir));
 
     m_finishTime = monotonicallyIncreasingTime() + std::max(minimumSecondToShowValidationMessage, (message.length() + subMessage.length()) * secondPerCharacter);
@@ -122,19 +122,23 @@ void ValidationMessageClientImpl::checkAnchorStatus(Timer<ValidationMessageClien
 
     // Check the visibility of the element.
     // FIXME: Can we check invisibility by scrollable non-frame elements?
-    IntRect newAnchorRect = currentView()->contentsToRootView(m_currentAnchor->pixelSnappedBoundingBox());
-    newAnchorRect = intersection(currentView()->convertToContainingWindow(currentView()->boundsRect()), newAnchorRect);
-    if (newAnchorRect.isEmpty()) {
+    IntRect newAnchorRectInViewport = currentView()->contentsToWindow(m_currentAnchor->pixelSnappedBoundingBox());
+
+    // FIXME: This intersection eliminates the part of the rect outside the root view.
+    // If this is meant as a visiblity test, intersecting it against the viewport rect
+    // likely makes more sense.
+    newAnchorRectInViewport = intersection(currentView()->convertToContainingWindow(currentView()->boundsRect()), newAnchorRectInViewport);
+    if (newAnchorRectInViewport.isEmpty()) {
         hideValidationMessage(*m_currentAnchor);
         return;
     }
 
-    IntRect newAnchorRectInScreen = currentView()->hostWindow()->rootViewToScreen(newAnchorRect);
-    if (newAnchorRectInScreen == m_lastAnchorRectInScreen && m_webView.pageScaleFactor() == m_lastPageScaleFactor)
+    IntRect newAnchorRectInViewportInScreen = currentView()->hostWindow()->viewportToScreen(newAnchorRectInViewport);
+    if (newAnchorRectInViewportInScreen == m_lastAnchorRectInScreen && m_webView.pageScaleFactor() == m_lastPageScaleFactor)
         return;
-    m_lastAnchorRectInScreen = newAnchorRectInScreen;
+    m_lastAnchorRectInScreen = newAnchorRectInViewportInScreen;
     m_lastPageScaleFactor = m_webView.pageScaleFactor();
-    m_webView.client()->moveValidationMessage(newAnchorRect);
+    m_webView.client()->moveValidationMessage(newAnchorRectInViewport);
 }
 
 void ValidationMessageClientImpl::willBeDestroyed()