Move code out of supported_cdm_versions.h

In the future there will be additional code that use the functions in
supported_cdm_versions.h. To avoid duplicate definitions, move it into
a separate .cc file.

TEST=compiles

Review URL: https://codereview.chromium.org/1430503004

Cr-Commit-Position: refs/heads/master@{#357726}

5 files changed, 68 insertions, 38 deletions

diff --git a/media/cdm/ppapi/ppapi_cdm_adapter.gni b/media/cdm/ppapi/ppapi_cdm_adapter.gni
index cf9327c..e7cf90f 100644
--- a/media/cdm/ppapi/ppapi_cdm_adapter.gni
+++ b/media/cdm/ppapi/ppapi_cdm_adapter.gni
@@ -30,6 +30,7 @@ template("ppapi_cdm_adapter") {
       "//media/cdm/ppapi/linked_ptr.h",
       "//media/cdm/ppapi/ppapi_cdm_adapter.cc",
       "//media/cdm/ppapi/ppapi_cdm_adapter.h",
+      "//media/cdm/supported_cdm_versions.cc",
       "//media/cdm/supported_cdm_versions.h",
     ]
     if (is_mac) {
diff --git a/media/cdm/supported_cdm_versions.cc b/media/cdm/supported_cdm_versions.cc
new file mode 100644
index 0000000..6a8f896
--- /dev/null
+++ b/media/cdm/supported_cdm_versions.cc
@@ -0,0 +1,50 @@
+// Copyright 2015 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 "media/cdm/supported_cdm_versions.h"
+
+#include "base/basictypes.h"
+#include "media/cdm/api/content_decryption_module.h"
+
+namespace media {
+
+bool IsSupportedCdmModuleVersion(int version) {
+  switch (version) {
+    // Latest.
+    case CDM_MODULE_VERSION:
+      return true;
+    default:
+      return false;
+  }
+}
+
+bool IsSupportedCdmInterfaceVersion(int version) {
+  static_assert(cdm::ContentDecryptionModule::kVersion ==
+                    cdm::ContentDecryptionModule_8::kVersion,
+                "update the code below");
+  switch (version) {
+    // Supported versions in decreasing order.
+    case cdm::ContentDecryptionModule_8::kVersion:
+    case cdm::ContentDecryptionModule_7::kVersion:
+      return true;
+    default:
+      return false;
+  }
+}
+
+bool IsSupportedCdmHostVersion(int version) {
+  static_assert(cdm::ContentDecryptionModule::Host::kVersion ==
+                    cdm::ContentDecryptionModule_8::Host::kVersion,
+                "update the code below");
+  switch (version) {
+    // Supported versions in decreasing order.
+    case cdm::Host_8::kVersion:
+    case cdm::Host_7::kVersion:
+      return true;
+    default:
+      return false;
+  }
+}
+
+}  // namespace media
diff --git a/media/cdm/supported_cdm_versions.h b/media/cdm/supported_cdm_versions.h
index 6609196..ffd91a5 100644
--- a/media/cdm/supported_cdm_versions.h
+++ b/media/cdm/supported_cdm_versions.h
@@ -5,48 +5,24 @@
 #ifndef MEDIA_CDM_SUPPORTED_CDM_VERSIONS_H_
 #define MEDIA_CDM_SUPPORTED_CDM_VERSIONS_H_
 
-#include "media/cdm/api/content_decryption_module.h"
+#ifdef USE_PPAPI_CDM_ADAPTER
+// When building the adapter these functions need to be local.
+#define FUNCTION_EXPORT
+#else
+#include "media/base/media_export.h"
+#define FUNCTION_EXPORT MEDIA_EXPORT
+#endif
 
 namespace media {
 
-bool IsSupportedCdmModuleVersion(int version) {
-  switch (version) {
-    // Latest.
-    case CDM_MODULE_VERSION:
-      return true;
-    default:
-      return false;
-  }
-}
-
-bool IsSupportedCdmInterfaceVersion(int version) {
-  static_assert(cdm::ContentDecryptionModule::kVersion ==
-                    cdm::ContentDecryptionModule_8::kVersion,
-                "update the code below");
-  switch (version) {
-    // Supported versions in decreasing order.
-    case cdm::ContentDecryptionModule_8::kVersion:
-    case cdm::ContentDecryptionModule_7::kVersion:
-      return true;
-    default:
-      return false;
-  }
-}
-
-bool IsSupportedCdmHostVersion(int version) {
-  static_assert(cdm::ContentDecryptionModule::Host::kVersion ==
-                    cdm::ContentDecryptionModule_8::Host::kVersion,
-                "update the code below");
-  switch (version) {
-    // Supported versions in decreasing order.
-    case cdm::Host_8::kVersion:
-    case cdm::Host_7::kVersion:
-      return true;
-    default:
-      return false;
-  }
-}
+FUNCTION_EXPORT bool IsSupportedCdmModuleVersion(int version);
+
+FUNCTION_EXPORT bool IsSupportedCdmInterfaceVersion(int version);
+
+FUNCTION_EXPORT bool IsSupportedCdmHostVersion(int version);
 
 }  // namespace media
 
+#undef FUNCTION_EXPORT
+
 #endif  // MEDIA_CDM_SUPPORTED_CDM_VERSIONS_H_
diff --git a/media/media.gyp b/media/media.gyp
index 661e8e7..8a2d35d 100644
--- a/media/media.gyp
+++ b/media/media.gyp
@@ -498,6 +498,8 @@
         'cdm/player_tracker_impl.h',
         'cdm/proxy_decryptor.cc',
         'cdm/proxy_decryptor.h',
+        'cdm/supported_cdm_versions.cc',
+        'cdm/supported_cdm_versions.h',
         'ffmpeg/ffmpeg_common.cc',
         'ffmpeg/ffmpeg_common.h',
         'ffmpeg/ffmpeg_deleters.h',
diff --git a/media/media_cdm_adapter.gyp b/media/media_cdm_adapter.gyp
index 8c81df1..876f884 100644
--- a/media/media_cdm_adapter.gyp
+++ b/media/media_cdm_adapter.gyp
@@ -36,6 +36,7 @@
               'cdm/ppapi/cdm_logging.cc',
               'cdm/ppapi/cdm_logging.h',
               'cdm/ppapi/linked_ptr.h',
+              'cdm/supported_cdm_versions.cc',
               'cdm/supported_cdm_versions.h',
             ],
             'conditions': [