Remove all uses of the global Dispatcher Get function.

ppapi/proxy/ppb_graphics_2d_proxy.cc

Index: ppapi/proxy/ppb_graphics_2d_proxy.cc
===================================================================
--- ppapi/proxy/ppb_graphics_2d_proxy.cc	(revision 74021)
+++ ppapi/proxy/ppb_graphics_2d_proxy.cc	(working copy)
@@ -189,7 +189,7 @@
   return PP_ERROR_WOULDBLOCK;
 }
 
-const PPB_Graphics2D ppb_graphics_2d = {
+const PPB_Graphics2D graphics_2d_interface = {
   &Create,
   &IsGraphics2D,
   &Describe,
@@ -199,6 +199,11 @@
   &Flush
 };
 
+InterfaceProxy* CreateGraphics2DProxy(Dispatcher* dispatcher,
+                                      const void* target_interface) {
+  return new PPB_Graphics2D_Proxy(dispatcher, target_interface);
+}
+
 }  // namespace
 
 PPB_Graphics2D_Proxy::PPB_Graphics2D_Proxy(Dispatcher* dispatcher,
@@ -210,14 +215,18 @@
 PPB_Graphics2D_Proxy::~PPB_Graphics2D_Proxy() {
 }
 
-const void* PPB_Graphics2D_Proxy::GetSourceInterface() const {
-  return &ppb_graphics_2d;
+// static
+const InterfaceProxy::Info* PPB_Graphics2D_Proxy::GetInfo() {
+  static const Info info = {
+    &graphics_2d_interface,
+    PPB_GRAPHICS_2D_INTERFACE,
+    INTERFACE_ID_PPB_GRAPHICS_2D,
+    false,
+    &CreateGraphics2DProxy,
+  };
+  return &info;
 }
 
-InterfaceID PPB_Graphics2D_Proxy::GetInterfaceId() const {
-  return INTERFACE_ID_PPB_GRAPHICS_2D;
-}
-
 bool PPB_Graphics2D_Proxy::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PPB_Graphics2D_Proxy, msg)