Plumb selection bounds as a single unit

Source/web/ChromeClientImpl.cpp

Index: Source/web/ChromeClientImpl.cpp
diff --git a/Source/web/ChromeClientImpl.cpp b/Source/web/ChromeClientImpl.cpp
index 98377cec588585c34a4b2762d7e0ef5df5921c5c..64efbc2a9d1c572e0a7d6814d5e40a7fcc969ccf 100644
--- a/Source/web/ChromeClientImpl.cpp
+++ b/Source/web/ChromeClientImpl.cpp
@@ -48,7 +48,7 @@
 #include "core/html/forms/DateTimeChooser.h"
 #include "core/layout/HitTestResult.h"
 #include "core/layout/LayoutPart.h"
-#include "core/layout/compositing/CompositedSelectionBound.h"
+#include "core/layout/compositing/CompositedSelectionBounds.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/page/Page.h"
@@ -64,7 +64,7 @@
 #include "public/platform/Platform.h"
 #include "public/platform/WebCursorInfo.h"
 #include "public/platform/WebRect.h"
-#include "public/platform/WebSelectionBound.h"
+#include "public/platform/WebSelectionBounds.h"
 #include "public/platform/WebURLRequest.h"
 #include "public/web/WebAXObject.h"
 #include "public/web/WebAutofillClient.h"
@@ -126,6 +126,14 @@ static WebSelectionBound toWebSelectionBound(const CompositedSelectionBound& bou
     return result;
 }
 
+static WebSelectionBounds toWebSelectionBounds(const CompositedSelectionBounds& bounds)
+{
+    WebSelectionBounds result(toWebSelectionBound(bounds.start), toWebSelectionBound(bounds.end));
+    result.isEditable = bounds.isEditable;
+    result.isEditableRegionEmpty = bounds.isEditableRegionEmpty;
+    return result;
+}
+
 ChromeClientImpl::ChromeClientImpl(WebViewImpl* webView)
     : m_webView(webView)
 {
@@ -723,9 +731,9 @@ void ChromeClientImpl::clearCompositedSelectionBounds()
     m_webView->clearCompositedSelectionBounds();
 }
 
-void ChromeClientImpl::updateCompositedSelectionBounds(const CompositedSelectionBound& anchor, const CompositedSelectionBound& focus)
+void ChromeClientImpl::updateCompositedSelectionBounds(const CompositedSelectionBounds& bounds)
 {
-    m_webView->updateCompositedSelectionBounds(toWebSelectionBound(anchor), toWebSelectionBound(focus));
+    m_webView->updateCompositedSelectionBounds(toWebSelectionBounds(bounds));
 }
 
 bool ChromeClientImpl::hasOpenedPopup() const