FBTF: Allow forward declaration of classes passed to sync IPC messages.

chrome/common/webkit_param_traits.cc

Index: chrome/common/webkit_param_traits.cc
diff --git a/chrome/common/webkit_param_traits.cc b/chrome/common/webkit_param_traits.cc
new file mode 100644
index 0000000000000000000000000000000000000000..06ee1e2c60364a4481ff576dc85983d3b8f9adb3
--- /dev/null
+++ b/chrome/common/webkit_param_traits.cc
@@ -0,0 +1,131 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/common/webkit_param_traits.h"
+
+#include "third_party/WebKit/WebKit/chromium/public/WebCompositionUnderline.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebFindOptions.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebScreenInfo.h"
+
+namespace IPC {
+
+void ParamTraits<WebKit::WebRect>::Write(Message* m, const param_type& p) {
+    WriteParam(m, p.x);
+    WriteParam(m, p.y);
+    WriteParam(m, p.width);
+    WriteParam(m, p.height);
+  }
+
+bool ParamTraits<WebKit::WebRect>::Read(const Message* m, void** iter,
+                                        param_type* p) {
+  return
+      ReadParam(m, iter, &p->x) &&
+      ReadParam(m, iter, &p->y) &&
+      ReadParam(m, iter, &p->width) &&
+      ReadParam(m, iter, &p->height);
+}
+
+void ParamTraits<WebKit::WebRect>::Log(const param_type& p, std::wstring* l) {
+  l->append(L"(");
+  LogParam(p.x, l);
+  l->append(L", ");
+  LogParam(p.y, l);
+  l->append(L", ");
+  LogParam(p.width, l);
+  l->append(L", ");
+  LogParam(p.height, l);
+  l->append(L")");
+}
+
+void ParamTraits<WebKit::WebScreenInfo>::Write(Message* m, const param_type& p) {
+  WriteParam(m, p.depth);
+  WriteParam(m, p.depthPerComponent);
+  WriteParam(m, p.isMonochrome);
+  WriteParam(m, p.rect);
+  WriteParam(m, p.availableRect);
+}
+
+bool ParamTraits<WebKit::WebScreenInfo>::Read(const Message* m, void** iter,
+                                              param_type* p) {
+  return
+      ReadParam(m, iter, &p->depth) &&
+      ReadParam(m, iter, &p->depthPerComponent) &&
+      ReadParam(m, iter, &p->isMonochrome) &&
+      ReadParam(m, iter, &p->rect) &&
+      ReadParam(m, iter, &p->availableRect);
+}
+
+void ParamTraits<WebKit::WebScreenInfo>::Log(const param_type& p,
+                                             std::wstring* l) {
+  l->append(L"(");
+  LogParam(p.depth, l);
+  l->append(L", ");
+  LogParam(p.depthPerComponent, l);
+  l->append(L", ");
+  LogParam(p.isMonochrome, l);
+  l->append(L", ");
+  LogParam(p.rect, l);
+  l->append(L", ");
+  LogParam(p.availableRect, l);
+  l->append(L")");
+}
+
+void ParamTraits<WebKit::WebFindOptions>::Write(Message* m,
+                                                const param_type& p) {
+  WriteParam(m, p.forward);
+  WriteParam(m, p.matchCase);
+  WriteParam(m, p.findNext);
+}
+
+bool ParamTraits<WebKit::WebFindOptions>::Read(const Message* m, void** iter,
+                                               param_type* p) {
+  return
+      ReadParam(m, iter, &p->forward) &&
+      ReadParam(m, iter, &p->matchCase) &&
+      ReadParam(m, iter, &p->findNext);
+}
+
+void ParamTraits<WebKit::WebFindOptions>::Log(const param_type& p,
+                                              std::wstring* l) {
+  l->append(L"(");
+  LogParam(p.forward, l);
+  l->append(L", ");
+  LogParam(p.matchCase, l);
+  l->append(L", ");
+  LogParam(p.findNext, l);
+  l->append(L")");
+}
+
+void ParamTraits<WebKit::WebCompositionUnderline>::Write(Message* m,
+                                                         const param_type& p) {
+  WriteParam(m, p.startOffset);
+  WriteParam(m, p.endOffset);
+  WriteParam(m, p.color);
+  WriteParam(m, p.thick);
+}
+
+bool ParamTraits<WebKit::WebCompositionUnderline>::Read(
+    const Message* m, void** iter,
+    param_type* p) {
+  return
+      ReadParam(m, iter, &p->startOffset) &&
+      ReadParam(m, iter, &p->endOffset) &&
+      ReadParam(m, iter, &p->color) &&
+      ReadParam(m, iter, &p->thick);
+}
+
+void ParamTraits<WebKit::WebCompositionUnderline>::Log(const param_type& p,
+                                                       std::wstring* l) {
+  l->append(L"(");
+  LogParam(p.startOffset, l);
+  l->append(L",");
+  LogParam(p.endOffset, l);
+  l->append(L":");
+  LogParam(p.color, l);
+  l->append(L":");
+  LogParam(p.thick, l);
+  l->append(L")");
+}
+
+}  // namespace IPC