Chromecast: removes ATV product information from UA string.

R=lcwu@chromium.org,byungchu@chromium.org
BUG=internal b/20398673

Review URL: https://codereview.chromium.org/1067593007

Cr-Commit-Position: refs/heads/master@{#326139}

1 files changed, 50 insertions, 1 deletions

diff --git a/chromecast/common/cast_content_client.cc b/chromecast/common/cast_content_client.cc
index e93b7d2..4772fdd 100644
--- a/chromecast/common/cast_content_client.cc
+++ b/chromecast/common/cast_content_client.cc
@@ -4,6 +4,8 @@
 
 #include "chromecast/common/cast_content_client.h"
 
+#include "base/strings/stringprintf.h"
+#include "base/sys_info.h"
 #include "chromecast/common/version.h"
 #include "content/public/common/user_agent.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -12,9 +14,56 @@
 namespace chromecast {
 namespace shell {
 
+namespace {
+
+#if defined(OS_ANDROID)
+std::string BuildAndroidOsInfo() {
+  int32 os_major_version = 0;
+  int32 os_minor_version = 0;
+  int32 os_bugfix_version = 0;
+  base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
+                                               &os_minor_version,
+                                               &os_bugfix_version);
+
+  std::string android_version_str;
+  base::StringAppendF(
+      &android_version_str, "%d.%d", os_major_version, os_minor_version);
+  if (os_bugfix_version != 0)
+    base::StringAppendF(&android_version_str, ".%d", os_bugfix_version);
+
+  std::string android_info_str;
+  // Append the build ID.
+  std::string android_build_id = base::SysInfo::GetAndroidBuildID();
+  if (android_build_id.size() > 0)
+    android_info_str += "; Build/" + android_build_id;
+
+  std::string os_info;
+  base::StringAppendF(
+      &os_info,
+      "Android %s%s",
+      android_version_str.c_str(),
+      android_info_str.c_str());
+  return os_info;
+}
+#endif
+
+}  // namespace
+
 std::string GetUserAgent() {
   std::string product = "Chrome/" PRODUCT_VERSION;
-  return content::BuildUserAgentFromProduct(product) +
+  std::string os_info;
+  base::StringAppendF(
+      &os_info,
+      "%s%s",
+#if defined(OS_ANDROID)
+      "Linux; ",
+      BuildAndroidOsInfo().c_str()
+#else
+      "X11; ",
+      content::BuildOSCpuInfo().c_str()
+#endif
+      );
+  return content::BuildUserAgentFromOSAndProduct(os_info, product) +
       " CrKey/" CAST_BUILD_REVISION;
 }