Add cc::SurfaceInfo::is_valid()

cc/ipc/cc_param_traits.cc

 // Copyright (c) 2012 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 "cc/ipc/cc_param_traits.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/numerics/safe_conversions.h"
@@ skipping 700 matching lines @@
 }
 
 void ParamTraits<cc::SurfaceId>::Log(const param_type& p, std::string* l) {
   l->append("SurfaceId(");
   LogParam(p.frame_sink_id(), l);
   l->append(", ");
   LogParam(p.local_surface_id(), l);
   l->append(")");
 }
 
+void ParamTraits<cc::SurfaceInfo>::GetSize(base::PickleSizer* s,
+                                           const param_type& p) {
+  GetParamSize(s, p.id());
+  GetParamSize(s, p.device_scale_factor());
+  GetParamSize(s, p.size_in_pixels());
+}
+
+void ParamTraits<cc::SurfaceInfo>::Write(base::Pickle* m, const param_type& p) {
+  WriteParam(m, p.id());
+  WriteParam(m, p.device_scale_factor());
+  WriteParam(m, p.size_in_pixels());
+}
+
+bool ParamTraits<cc::SurfaceInfo>::Read(const base::Pickle* m,
+                                        base::PickleIterator* iter,
+                                        param_type* p) {
+  cc::SurfaceId surface_id;
+  if (!ReadParam(m, iter, &surface_id))
+    return false;
+
+  float device_scale_factor;
+  if (!ReadParam(m, iter, &device_scale_factor))
+    return false;
+
+  gfx::Size size_in_pixels;
+  if (!ReadParam(m, iter, &size_in_pixels))
+    return false;
+
+  *p = cc::SurfaceInfo(surface_id, device_scale_factor, size_in_pixels);
+  return p->is_valid();
+}
+
+void ParamTraits<cc::SurfaceInfo>::Log(const param_type& p, std::string* l) {
+  l->append("SurfaceInfo(");
+  LogParam(p.id(), l);
+  l->append(", ");
+  LogParam(p.device_scale_factor(), l);
+  l->append(", ");
+  LogParam(p.size_in_pixels(), l);
+  l->append(")");
+}
+
 void ParamTraits<cc::CompositorFrame>::Write(base::Pickle* m,
                                              const param_type& p) {
   WriteParam(m, p.metadata);
   size_t to_reserve = 0u;
   to_reserve += p.resource_list.size() * sizeof(cc::TransferableResource);
   for (const auto& pass : p.render_pass_list) {
     to_reserve += sizeof(size_t) * 2;
     to_reserve += ReserveSizeForRenderPassWrite(*pass);
   }
   m->Reserve(to_reserve);
@@ skipping 209 matching lines @@
 #undef CC_IPC_CC_PARAM_TRAITS_MACROS_H_
 #include "cc/ipc/cc_param_traits_macros.h"
 }  // namespace IPC
 
 // Generate param traits log methods.
 #include "ipc/param_traits_log_macros.h"
 namespace IPC {
 #undef CC_IPC_CC_PARAM_TRAITS_MACROS_H_
 #include "cc/ipc/cc_param_traits_macros.h"
 }  // namespace IPC