Generate Cronet Version.java based on VERSION and LASTCHANGE files.

components/cronet/android/org_chromium_net_UrlRequestContext.cc

Index: components/cronet/android/org_chromium_net_UrlRequestContext.cc
diff --git a/components/cronet/android/org_chromium_net_UrlRequestContext.cc b/components/cronet/android/org_chromium_net_UrlRequestContext.cc
index 375300a8cc916f6b2161b45a2642e7c519b975df..52c536f453be8c7e7db8321b58cfe9716c0e1c75 100644
--- a/components/cronet/android/org_chromium_net_UrlRequestContext.cc
+++ b/components/cronet/android/org_chromium_net_UrlRequestContext.cc
@@ -16,14 +16,13 @@
 #include "components/cronet/android/url_request_context_peer.h"
 #include "components/cronet/android/url_request_peer.h"
 #include "components/cronet/url_request_context_config.h"
+#include "cronet/cronet_version.h"
 #include "jni/UrlRequestContext_jni.h"
 
-// Version of this build of Chromium NET.
-#define CHROMIUM_NET_VERSION "1"
 

[mmenke, 2014/06/19 19:45:28]

nit:  Only need one blank line here.

[mef, 2014/06/19 21:23:29]

Done.

 namespace {
 
-const char kVersion[] = CHROMIUM_VERSION "/" CHROMIUM_NET_VERSION;
+const char kVersion[] = CRONET_VERSION "/" LAST_CHANGE;

[mmenke, 2014/06/19 19:45:28]

Should we copy the strings used in about:version here?  "37.0.2058.2 (Official
Build 278259) canary"

[mef, 2014/06/19 21:23:29]

Maybe. That seems to require a mix of official builder and custom hardcoded
logic like
https://code.google.com/p/chromium/codesearch#chromium/src/chrome/common/chro...

 
 // Delegate of URLRequestContextPeer that delivers callbacks to the Java layer.
 class JniURLRequestContextPeerDelegate