Combine PDF plugin into the Chromium binary.

chrome/app/chrome_main_delegate.cc

Index: chrome/app/chrome_main_delegate.cc
diff --git a/chrome/app/chrome_main_delegate.cc b/chrome/app/chrome_main_delegate.cc
index 5dca056c6ca19e710d2b30a17f2048e35a7c49a9..70346c05534d974b0b5c12a3a02df09d28ebdf13 100644
--- a/chrome/app/chrome_main_delegate.cc
+++ b/chrome/app/chrome_main_delegate.cc
@@ -119,6 +119,12 @@
 #include "remoting/client/plugin/pepper_entrypoints.h"
 #endif
 
+#if defined(ENABLE_PLUGINS) && (defined(CHROME_MULTIPLE_DLL_CHILD) || \
+    !defined(CHROME_MULTIPLE_DLL_BROWSER))
+#include "pdf/pdf.h"
+#endif
+
+
 #if !defined(CHROME_MULTIPLE_DLL_CHILD)
 base::LazyInstance<chrome::ChromeContentBrowserClient>
     g_chrome_content_browser_client = LAZY_INSTANCE_INITIALIZER;
@@ -822,6 +828,12 @@ void ChromeMainDelegate::SandboxInitialized(const std::string& process_type) {
       nacl_plugin::PPP_InitializeModule,
       nacl_plugin::PPP_ShutdownModule);
 #endif
+#if defined(ENABLE_PLUGINS)
+  ChromeContentClient::SetPDFEntryFunctions(
+      chrome_pdf::PPP_GetInterface,
+      chrome_pdf::PPP_InitializeModule,
+      chrome_pdf::PPP_ShutdownModule);
+#endif
 #endif
 }