Have PNaCl use debug pexe URL instead of stripped pexe w/ kEnableNaClDebug

ppapi/native_client/src/trusted/plugin/json_manifest.h

Index: ppapi/native_client/src/trusted/plugin/json_manifest.h
diff --git a/ppapi/native_client/src/trusted/plugin/json_manifest.h b/ppapi/native_client/src/trusted/plugin/json_manifest.h
index 177ad2af8c81a08ae6f94684fcbab22ec37f09c5..6760345c2f084e1ce99ef147706d605a2068a7d3 100644
--- a/ppapi/native_client/src/trusted/plugin/json_manifest.h
+++ b/ppapi/native_client/src/trusted/plugin/json_manifest.h
@@ -30,12 +30,14 @@ class PnaclOptions;
 class JsonManifest : public Manifest {
  public:
   JsonManifest(const pp::URLUtil_Dev* url_util,
-           const nacl::string& manifest_base_url,
-           const nacl::string& sandbox_isa)
+               const nacl::string& manifest_base_url,
+               const nacl::string& sandbox_isa,
+               bool pnacl_debug)
       : url_util_(url_util),
         manifest_base_url_(manifest_base_url),
         sandbox_isa_(sandbox_isa),
-        dictionary_(Json::nullValue) { }
+        dictionary_(Json::nullValue),
+        pnacl_debug_(pnacl_debug) { }
   virtual ~JsonManifest() { }
 
   // Initialize the manifest object for use by later lookups.  The return
@@ -93,6 +95,7 @@ class JsonManifest : public Manifest {
   nacl::string sandbox_isa_;
 
   Json::Value dictionary_;
+  bool pnacl_debug_;  // Search for a pnacl-debug entry.
 };