Bug 558976 part.1 Merge nsIWidget::ResetInputState(), nsIWidget::CancelComposition(), nsIWidget::OnIMEFocusChange() and nsIWidget::OnIMESelectionChange() r=roc, sr=roc
Bug 558976 part.2 Implement nsIWidget::NotifyIME() on Windows r=jimm
Bug 558976 part.3 Implement nsIWidget::NotifyIME() on Cocoa r=smichaud
Bug 558976 part.4 Implement nsIWidget::NotifyIME() on GTK r=karlt
Bug 558976 part.5 Implement nsIWidget::NotifyIME() on Android r=nchen
Bug 558976 part.6 Rename nsIWidget::OnIMETextChange() to nsIWidget::NotifyIMEOfTextChange() r=roc, sr=roc