Add IPCs/methods for additional IME actions.

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index 45b0c4b1cba7dc1ed302de40d064cbcea5abd60c..beb86d09b6b97876f3a0b1e38ad65297f32b8c88 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -977,10 +977,30 @@ IPC_MESSAGE_ROUTED1(ViewMsg_Replace,
                     string16)
 IPC_MESSAGE_ROUTED0(ViewMsg_Delete)
 IPC_MESSAGE_ROUTED0(ViewMsg_SelectAll)
-
 // Replaces all text in the current input field with the specified string.
+IPC_MESSAGE_ROUTED1(ViewMsg_ReplaceAll,
+                    string16 /* text */)
 IPC_MESSAGE_ROUTED0(ViewMsg_Unselect)
 
+// Selects between the given start and end offsets in the currently focused
+// editable field.
+IPC_MESSAGE_ROUTED2(ViewMsg_SetEditableSelectionOffsets,
+                    int /* start */,
+                    int /* end */)
+
+// Sets the text composition to be between the given start and end offsets
+// in the currently focused editable field.
+IPC_MESSAGE_ROUTED3(ViewMsg_SetCompositionFromExistingText,
+    int /* start */,
+    int /* end */,
+    std::vector<WebKit::WebCompositionUnderline> /* underlines */)
+
+// Deletes the current selection plus the specified number of characters before
+// and after the selection or caret.
+IPC_MESSAGE_ROUTED2(ViewMsg_ExtendSelectionAndDelete,
+                    int /* before */,
+                    int /* after */)
+
 // Requests the renderer to select the region between two points.
 // Expects a SelectRange_ACK message when finished.
 IPC_MESSAGE_ROUTED2(ViewMsg_SelectRange,