Add chrome version information to extension update checks

chrome/common/omaha_query_params.cc

Index: chrome/common/omaha_query_params.cc
diff --git a/chrome/common/omaha_query_params.cc b/chrome/common/omaha_query_params.cc
new file mode 100644
index 0000000000000000000000000000000000000000..fe59e1c062b86e6a4593cad3455f074e0a6f937b
--- /dev/null
+++ b/chrome/common/omaha_query_params.cc
@@ -0,0 +1,102 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/common/omaha_query_params.h"
+
+#include "base/stringprintf.h"
+#include "chrome/common/chrome_version_info.h"
+
+namespace {
+
+const char kUnknown[] = "unknown";
+
+// The request extra information is the OS and architecture, this helps
+// the server select the right package to be delivered.
+const char kOs[] =
+#if defined(OS_MACOSX)
+  "mac";
+#elif defined(OS_WIN)
+  "win";
+#elif defined(OS_ANDROID)
+  "android";
+#elif defined(OS_CHROMEOS)
+  "cros";
+#elif defined(OS_LINUX)
+  "linux";
+#elif defined(OS_OPENBSD)
+  "openbsd";
+#else
+    #error "unknown os"
+#endif
+
+const char kArch[] =
+#if defined(__amd64__) || defined(_WIN64)
+  "x64";
+#elif defined(__i386__) || defined(_WIN32)
+  "x86";
+#elif defined(__arm__)
+  "arm";
+#else
+  #error "unknown arch"
+#endif
+
+const char kChrome[] = "chrome";
+const char kChromeCrx[] = "chromecrx";
+const char kChromiumCrx[] = "chromiumcrx";
+
+const char* GetProdIdString(chrome::OmahaQueryParams::ProdId prod) {
+  switch (prod) {
+    case chrome::OmahaQueryParams::CHROME:
+      return kChrome;
+      break;
+    case chrome::OmahaQueryParams::CHROMECRX:
+      return kChromeCrx;
+      break;
+    case chrome::OmahaQueryParams::CHROMIUMCRX:
+      return kChromiumCrx;
+      break;
+  }
+  return kUnknown;
+}
+
+const char kStable[] = "stable";
+const char kBeta[] = "beta";
+const char kDev[] = "dev";
+const char kCanary[] = "canary";
+
+const char* GetChannelString() {
+  switch (chrome::VersionInfo::GetChannel()) {
+    case chrome::VersionInfo::CHANNEL_STABLE:
+      return kStable;
+      break;
+    case chrome::VersionInfo::CHANNEL_BETA:
+      return kBeta;
+      break;
+    case chrome::VersionInfo::CHANNEL_DEV:
+      return kDev;
+      break;
+    case chrome::VersionInfo::CHANNEL_CANARY:
+      return kCanary;
+      break;
+    case chrome::VersionInfo::CHANNEL_UNKNOWN:
+      return kUnknown;
+      break;
+  }
+  return kUnknown;
+}
+
+}  // namespace
+
+namespace chrome {
+
+std::string OmahaQueryParams::Get(ProdId prod) {
+  return StringPrintf("os=%s&arch=%s&prod=%s&prodchannel=%s&prodversion=%s",
+                      kOs,
+                      kArch,
+                      GetProdIdString(prod),
+                      GetChannelString(),
+                      chrome::VersionInfo().Version().c_str());
+}
+
+}  // namespace chrome