Adding two codelabs for cds2014.

native_client_sdk/src/doc/cds2014/cpp_summary.inc

Index: native_client_sdk/src/doc/cds2014/cpp_summary.inc
diff --git a/native_client_sdk/src/doc/cds2014/cpp_summary.inc b/native_client_sdk/src/doc/cds2014/cpp_summary.inc
new file mode 100644
index 0000000000000000000000000000000000000000..0ef3c9f4edba59947946d08babd0eca37572f946
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+Learn the basics of using PPAPI to do 2D graphics from
+a C++ program running in Native Client.
+Modify our sample to turn fire into water.
+Develop inside Google Chrome, using our NaCl Development Environment
+Chrome App.
+While this codelab currently targets conventional Native Client using our
+GCC + GlibC based toolchain, the techniques involved are generally
+applicable.
+
+Requirements:
+  * An x86 (sorry no arm) Desktop / Laptop
+    Windows, Mac, Linux, or ChromeOS browser
+    |cpp_check|
+  * A fast broadband connection (500MB download)
+  * Can read and write C++
+
+.. |cpp_check| raw:: html
+
+  <br/><span id="cpp_compat" style="color: #cccc00"
+      >Checking browser compatibility...</span><br/>
+  <i id="cpp_compat2"></i>
+  <script>
+  var tag = document.getElementById('cpp_compat');
+  var tag2 = document.getElementById('cpp_compat2');
+  if (!('application/x-nacl' in navigator.mimeTypes)) {
+    tag.innerHTML =
+        'This codelab does not appear to be supported by your browser.';
+    tag.style.color = '#cc0000';
+    tag2.innerHTML =
+        'You do not appear to be running a browser such as ' +
+        'Google Chrome which supports Native Client ' +
+        'or you have disabled Native Client.';
+  } else if (navigator.userAgent.search(' arm') >= 0) {
+    tag.innerHTML =
+        'This codelab does not appear to be supported by your browser.';
+    tag.style.color = '#cc0000';
+    tag2.innerHTML =
+        'You appear to be running on an ARM based CPU. ' +
+        'While Native Client does support ARM, ' +
+        "our developer environment's GCC + GlibC based toolchain " +
+        'does not, at this time. Sorry.';
+  } else {
+    tag.innerHTML = 'This codelab appears to be supported by your browser.';
+    tag.style.color = '#00cc00';
+  }
+  </script>