Move the rest of the content browser->renderer messages to content. Also move drag related messa...

content/common/common_param_traits.cc

Index: content/common/common_param_traits.cc
===================================================================
--- content/common/common_param_traits.cc	(revision 79031)
+++ content/common/common_param_traits.cc	(working copy)
@@ -9,9 +9,45 @@
 #include "net/base/upload_data.h"
 #include "net/http/http_response_headers.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h"
+#include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/rect.h"
 #include "webkit/glue/resource_loader_bridge.h"
 
+namespace {
+
+struct SkBitmap_Data {
+  // The configuration for the bitmap (bits per pixel, etc).
+  SkBitmap::Config fConfig;
+
+  // The width of the bitmap in pixels.
+  uint32 fWidth;
+
+  // The height of the bitmap in pixels.
+  uint32 fHeight;
+
+  void InitSkBitmapDataForTransfer(const SkBitmap& bitmap) {
+    fConfig = bitmap.config();
+    fWidth = bitmap.width();
+    fHeight = bitmap.height();
+  }
+
+  // Returns whether |bitmap| successfully initialized.
+  bool InitSkBitmapFromData(SkBitmap* bitmap, const char* pixels,
+                            size_t total_pixels) const {
+    if (total_pixels) {
+      bitmap->setConfig(fConfig, fWidth, fHeight, 0);
+      if (!bitmap->allocPixels())
+        return false;
+      if (total_pixels != bitmap->getSize())
+        return false;
+      memcpy(bitmap->getPixels(), pixels, total_pixels);
+    }
+    return true;
+  }
+};
+
+}  // namespace
+
 NPIdentifier_Param::NPIdentifier_Param()
     : identifier() {
 }
@@ -761,4 +797,43 @@
   }
 }
 
+void ParamTraits<SkBitmap>::Write(Message* m, const SkBitmap& p) {
+  size_t fixed_size = sizeof(SkBitmap_Data);
+  SkBitmap_Data bmp_data;
+  bmp_data.InitSkBitmapDataForTransfer(p);
+  m->WriteData(reinterpret_cast<const char*>(&bmp_data),
+               static_cast<int>(fixed_size));
+  size_t pixel_size = p.getSize();
+  SkAutoLockPixels p_lock(p);
+  m->WriteData(reinterpret_cast<const char*>(p.getPixels()),
+               static_cast<int>(pixel_size));
+}
+
+bool ParamTraits<SkBitmap>::Read(const Message* m, void** iter, SkBitmap* r) {
+  const char* fixed_data;
+  int fixed_data_size = 0;
+  if (!m->ReadData(iter, &fixed_data, &fixed_data_size) ||
+     (fixed_data_size <= 0)) {
+    NOTREACHED();
+    return false;
+  }
+  if (fixed_data_size != sizeof(SkBitmap_Data))
+    return false;  // Message is malformed.
+
+  const char* variable_data;
+  int variable_data_size = 0;
+  if (!m->ReadData(iter, &variable_data, &variable_data_size) ||
+     (variable_data_size < 0)) {
+    NOTREACHED();
+    return false;
+  }
+  const SkBitmap_Data* bmp_data =
+      reinterpret_cast<const SkBitmap_Data*>(fixed_data);
+  return bmp_data->InitSkBitmapFromData(r, variable_data, variable_data_size);
+}
+
+void ParamTraits<SkBitmap>::Log(const SkBitmap& p, std::string* l) {
+  l->append("<SkBitmap>");
+}
+
 }  // namespace IPC