Revert 183623 "Fix fullscreen elements in pinch viewport mode."

Source/core/rendering/RenderFullScreen.cpp

Index: Source/core/rendering/RenderFullScreen.cpp
===================================================================
--- Source/core/rendering/RenderFullScreen.cpp	(revision 183995)
+++ Source/core/rendering/RenderFullScreen.cpp	(working copy)
@@ -26,14 +26,8 @@
 #include "core/rendering/RenderFullScreen.h"
 
 #include "core/dom/Fullscreen.h"
-#include "core/frame/FrameHost.h"
-#include "core/frame/Settings.h"
-#include "core/page/Chrome.h"
-#include "core/page/Page.h"
 #include "core/rendering/RenderBlockFlow.h"
 
-#include "public/platform/WebScreenInfo.h"
-
 using namespace blink;
 
 class RenderFullScreenPlaceholder final : public RenderBlockFlow {
@@ -94,7 +88,7 @@
     RenderFlexibleBox::willBeDestroyed();
 }
 
-void RenderFullScreen::updateStyle()
+static PassRefPtr<RenderStyle> createFullScreenStyle()
 {
     RefPtr<RenderStyle> fullscreenStyle = RenderStyle::createDefaultStyle();
 
@@ -110,20 +104,14 @@
     fullscreenStyle->setFlexDirection(FlowColumn);
 
     fullscreenStyle->setPosition(FixedPosition);
+    fullscreenStyle->setWidth(Length(100.0, Percent));
+    fullscreenStyle->setHeight(Length(100.0, Percent));
     fullscreenStyle->setLeft(Length(0, blink::Fixed));
     fullscreenStyle->setTop(Length(0, blink::Fixed));
-    if (document().page()->settings().pinchVirtualViewportEnabled()) {
-        IntSize viewportSize = document().page()->frameHost().pinchViewport().size();
-        fullscreenStyle->setWidth(Length(viewportSize.width(), blink::Fixed));
-        fullscreenStyle->setHeight(Length(viewportSize.height(), blink::Fixed));
-    } else {
-        fullscreenStyle->setWidth(Length(100.0, Percent));
-        fullscreenStyle->setHeight(Length(100.0, Percent));
-    }
 
     fullscreenStyle->setBackgroundColor(StyleColor(Color::black));
 
-    setStyle(fullscreenStyle);
+    return fullscreenStyle.release();
 }
 
 RenderObject* RenderFullScreen::wrapRenderer(RenderObject* object, RenderObject* parent, Document* document)
@@ -133,7 +121,7 @@
     DeprecatedDisableModifyRenderTreeStructureAsserts disabler;
 
     RenderFullScreen* fullscreenRenderer = RenderFullScreen::createAnonymous(document);
-    fullscreenRenderer->updateStyle();
+    fullscreenRenderer->setStyle(createFullScreenStyle());
     if (parent && !parent->isChildAllowed(fullscreenRenderer, fullscreenRenderer->style())) {
         fullscreenRenderer->destroy();
         return 0;