DO NOT SUBMIT: Bundle IME-related messages into one for batch edit

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 f2768e08c7501b77daf6b08f034399e2faa6d09e..bff4278c127c03c77fc580e04d62feb0ba702b89 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -2395,6 +2395,62 @@ bool WebViewImpl::confirmComposition(const WebString& text, ConfirmCompositionBe
     return focused->inputMethodController().confirmCompositionOrInsertText(text, selectionBehavior == KeepSelection ? InputMethodController::KeepSelection : InputMethodController::DoNotKeepSelection);
 }
 
+bool WebViewImpl::setEditableSelectionOffsets(int start, int end)
+{
+    TRACE_EVENT0("blink", "WebViewImpl::setEditableSelectionOffsets");
+    LocalFrame* focused = focusedLocalFrameAvailableForIme();
+    if (!focused)
+        return false;
+    // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
+    // needs to be audited.  See http://crbug.com/590369 for more details.
+    focused->document()->updateStyleAndLayoutIgnorePendingStylesheets();
+
+    return focused->inputMethodController().setEditableSelectionOffsets(PlainTextRange(start, end));
+}
+
+bool WebViewImpl::setCompositionFromExistingText(int compositionStart, int compositionEnd, const WebVector<WebCompositionUnderline>& underlines)
+{
+    TRACE_EVENT0("blink", "WebViewImpl::setCompositionFromExistingText");
+
+    LocalFrame* focused = focusedLocalFrameAvailableForIme();
+    if (!focused)
+        return false;
+    if (!focused->editor().canEdit())
+        return false;
+    InputMethodController& inputMethodController = focused->inputMethodController();
+    inputMethodController.cancelComposition();
+
+    if (compositionStart == compositionEnd)
+        return true;
+
+    // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
+    // needs to be audited.  See http://crbug.com/590369 for more details.
+    focused->document()->updateStyleAndLayoutIgnorePendingStylesheets();
+
+    inputMethodController.setCompositionFromExistingText(CompositionUnderlineVectorBuilder(underlines), compositionStart, compositionEnd);
+
+    return true;
+}
+
+void WebViewImpl::extendSelectionAndDelete(int before, int after)
+{
+    TRACE_EVENT0("blink", "WebViewImpl::extendSelectionAndDelete");
+    LocalFrame* focused = focusedLocalFrameAvailableForIme();
+    if (!focused)
+        return;
+
+    if (WebPlugin* plugin = focusedPluginIfInputMethodSupported(focused)) {
+        plugin->extendSelectionAndDelete(before, after);
+        return;
+    }
+
+    // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
+    // needs to be audited.  See http://crbug.com/590369 for more details.
+    focused->document()->updateStyleAndLayoutIgnorePendingStylesheets();
+
+    focused->inputMethodController().extendSelectionAndDelete(before, after);
+}
+
 WebRange WebViewImpl::compositionRange()
 {
     LocalFrame* focused = focusedLocalFrameAvailableForIme();