[Chromoting] Unit Tests for GlRenderer

remoting/client/BUILD.gn

Index: remoting/client/BUILD.gn
diff --git a/remoting/client/BUILD.gn b/remoting/client/BUILD.gn
index 05ae3d4d70f13943be8dbb242464c9821a55bd3e..1e888ceacbf9ba27d4090867355ac235539342a7 100644
--- a/remoting/client/BUILD.gn
+++ b/remoting/client/BUILD.gn
@@ -41,7 +41,7 @@ static_library("client") {
   }
 }
 
-if (is_android || is_ios) {
+if (is_android || is_ios || is_linux) {
   source_set("opengl_renderer") {
     sources =
         rebase_path(remoting_srcs_gypi_values.remoting_opengl_renderer_sources,
@@ -111,4 +111,10 @@ source_set("unit_tests") {
     "//testing/gtest",
     "//third_party/webrtc",
   ]
+
+  if (is_linux) {

[Sergey Ulanov, 2016/08/10 15:35:06]

Can we run this test on android? If not then it should be explained in the
comments. Also it's better to always compile the test, but skip it if it doesn't
work on the current platform. I.e. replace this condition in the build file with
an #ifdef in the test source.

[Yuwei, 2016/08/10 21:31:00]

Managed to get it compiled on all platforms. It is safe as long as it compiles
and no OpenGL function calls happen during the test.

+    sources += [ "gl_renderer_unittest.cc" ]
+    deps += [ ":opengl_renderer" ]
+    libs = [ "GL" ]
+  }
 }