Making WebRTC Java api avaliable in Chromium.

BUG=383418
TEST=Build target libjingle_peerconnection_javalib

Review URL: https://codereview.chromium.org/551793003

Cr-Commit-Position: refs/heads/master@{#297801}

build/all.gyp

@@ -827,6 +827,7 @@
           'type': 'none',
           'dependencies': [
             '../content/content_shell_and_tests.gyp:content_browsertests',
+            '../third_party/libjingle/libjingle.gyp:libjingle_peerconnection_javalib',
             '../tools/android/android_tools.gyp:android_tools',
             '../tools/android/android_tools.gyp:memconsumer',
             # Unit test bundles packaged as an apk.

third_party/libjingle/BUILD.gn

@@ -553,6 +553,40 @@ if (enable_webrtc) {
     ]
   }
 
+  source_set("libjingle_peerconnection_so") {
+    sources = [
+      "source/talk/app/webrtc/java/jni/peerconnection_jni.cc",
+    ]
+    deps = [
+      "libjingle_webrtc",
+      "libpeerconnection",
+    ]
+  }
+
+  android_library("libjingle_peerconnection_java") {
+    java_files = [
+      "source/talk/app/webrtc/java/src/org/webrtc/AudioSource.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/AudioTrack.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/DataChannel.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/IceCandidate.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/Logging.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/MediaConstraints.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/MediaSource.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/MediaStream.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/MediaStreamTrack.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/PeerConnectionFactory.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/PeerConnection.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/SdpObserver.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/StatsObserver.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/StatsReport.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/SessionDescription.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/VideoCapturer.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/VideoRenderer.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/VideoSource.java",
+      "source/talk/app/webrtc/java/src/org/webrtc/VideoTrack.java",
+    ]
+  }
+
 }  # enable_webrtc
 
 # TODO(GYP): Port libjingle.gyp's enable_webrtc condition block.

third_party/libjingle/libjingle.gyp

@@ -574,9 +574,9 @@
           ],
         },
         {
-          # GN version: //third_party/libjingle:libpeerconnection
-          'target_name': 'libpeerconnection',
-          'type': '<(libpeer_target_type)',
+          # GN version: //third_party/libjingle:libpeerconnection (shared with ':libpeerconnection')
+          'target_name': 'libjingle_mediaengine',
+          'type': 'static_library',
           'sources': [
             # Note: sources list duplicated in GN build.
             '<(libjingle_source)/talk/media/webrtc/webrtcmediaengine.cc',
@@ -589,13 +589,27 @@
             '<(libjingle_source)/talk/media/webrtc/webrtcvoiceengine.h',
           ],
           'dependencies': [
-            '<(DEPTH)/third_party/webrtc/system_wrappers/source/system_wrappers.gyp:system_wrappers',
+            'libjingle_webrtc_common',
             '<(DEPTH)/third_party/webrtc/voice_engine/voice_engine.gyp:voice_engine',
             '<(DEPTH)/third_party/webrtc/webrtc.gyp:webrtc',
+          ],
+        },
+        {
+          # GN version: //third_party/libjingle:libpeerconnection
+          'target_name': 'libpeerconnection',
+          'type': '<(libpeer_target_type)',
+          'dependencies': [
+            '<(DEPTH)/third_party/webrtc/system_wrappers/source/system_wrappers.gyp:system_wrappers',
             '<@(libjingle_peerconnection_additional_deps)',
-            'libjingle_webrtc_common',
+            'libjingle_mediaengine',
           ],
           'conditions': [
+            ['libpeer_target_type=="static_library" and OS=="mac"', {
+              # TODO(serya): Temporary workaround for crbug.com/418915. Remove when fixed.
+              'sources': [
+                'overrides/empty.cc',
+              ]
+            }],
             ['libpeer_target_type!="static_library"', {
               'sources': [
                 'overrides/initialize_module.cc',
@@ -646,5 +660,35 @@
         },  # target libpeerconnection
       ],
     }],
+    ['enable_webrtc==1 and OS=="android"', {
+      'targets': [
+        {
+          # GN version: //third_party/libjingle:libjingle_peerconnection_so
+          'target_name': 'libjingle_peerconnection_so',
+          'type': 'shared_library',
+          'dependencies': [
+            '<(DEPTH)/third_party/icu/icu.gyp:icuuc',
+            '<(DEPTH)/third_party/webrtc/system_wrappers/source/system_wrappers.gyp:field_trial_default',
+            'libjingle_mediaengine',
+          ],
+          'defines': [ 'LIBPEERCONNECTION_LIB=1' ],
+          'sources': [
+            '<(libjingle_source)/talk/app/webrtc/java/jni/peerconnection_jni.cc',
+          ],
+        },
+        {
+          # GN version: //third_party/libjingle:libjingle_peerconnection_java
+          'target_name': 'libjingle_peerconnection_javalib',
+          'type': 'none',
+          'variables': {
+            'java_in_dir': '<(libjingle_source)/talk/app/webrtc/java',
+          },
+          'dependencies': [
+            'libjingle_peerconnection_so',
+          ],
+          'includes': [ '../../build/java.gypi' ],
+        },
+      ],
+    }],
   ],
 }

third_party/libjingle/overrides/empty.cc

+// Copyright 2013 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.
+
+// TODO(serya): Temporary workaround for https://crbug.com/418915.
+// To be removed when fixed.