Mojo: Raise the message size limit.

content/app/mojo/mojo_init.cc

Index: content/app/mojo/mojo_init.cc
diff --git a/content/app/mojo/mojo_init.cc b/content/app/mojo/mojo_init.cc
index 755b6b19b9fce7e897a58db112a3ffb273b86055..3b08791a8c8a8b0edab3ff1baa0ea8be903d9a03 100644
--- a/content/app/mojo/mojo_init.cc
+++ b/content/app/mojo/mojo_init.cc
@@ -5,12 +5,18 @@
 #include "content/app/mojo/mojo_init.h"
 
 #include "base/memory/scoped_ptr.h"
+#include "mojo/edk/embedder/configuration.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/embedder/simple_platform_support.h"
 
 namespace content {
 
 void InitializeMojo() {
+  // Things like content_shell and DevTools ocassionally send big
+  // message which includes whole rendered screen or all loaded
+  // scripts. The buffer size has to be big enough to allow such use
+  // cases.
+  mojo::embedder::GetConfiguration()->max_message_num_bytes = 64*1024*1024;
   mojo::embedder::Init(scoped_ptr<mojo::embedder::PlatformSupport>(
       new mojo::embedder::SimplePlatformSupport()));
 }