Add PPAPI interface for OpenGL ES 2.0 Vertex Array Objects.

ppapi/tests/test_graphics_3d.cc

Index: ppapi/tests/test_graphics_3d.cc
diff --git a/ppapi/tests/test_graphics_3d.cc b/ppapi/tests/test_graphics_3d.cc
index ddf5512f6e835e4a5388cafb61a14f55f0f005eb..ebd52afc03b3e0063a9f5e2a645512c778ddccb6 100644
--- a/ppapi/tests/test_graphics_3d.cc
+++ b/ppapi/tests/test_graphics_3d.cc
@@ -114,12 +114,11 @@ std::string TestGraphics3D::TestExtensionsGL() {
   ASSERT_NE(NULL, glGetString(GL_VERSION));
   const char* ext = reinterpret_cast<const char*>(glGetString(GL_EXTENSIONS));
   if (strstr(ext, "GL_EXT_occlusion_query_boolean")) {
-    GLuint a_query;
-    GLboolean is_a_query;
+    GLuint a_query = 0;
     glGenQueriesEXT(1, &a_query);
     ASSERT_NE(0, a_query);
     glBeginQueryEXT(GL_ANY_SAMPLES_PASSED_EXT, a_query);
-    is_a_query = glIsQueryEXT(a_query);
+    GLboolean is_a_query = glIsQueryEXT(a_query);
     ASSERT_EQ(is_a_query, GL_TRUE);
     glEndQueryEXT(GL_ANY_SAMPLES_PASSED_EXT);
     glDeleteQueriesEXT(1, &a_query);
@@ -127,6 +126,16 @@ std::string TestGraphics3D::TestExtensionsGL() {
   if (strstr(ext, "GL_ANGLE_instanced_arrays")) {
     glDrawArraysInstancedANGLE(GL_TRIANGLE_STRIP, 0, 0, 0);
   }
+  if (strstr(ext, "GL_OES_vertex_array_object")) {
+    GLuint a_vertex_array = 0;
+    glGenVertexArraysOES(1, &a_vertex_array);
+    ASSERT_NE(0, a_vertex_array);
+    glBindVertexArrayOES(a_vertex_array);
+    GLboolean is_a_vertex_array = glIsVertexArrayOES(a_vertex_array);
+    ASSERT_EQ(is_a_vertex_array, GL_TRUE);
+    glBindVertexArrayOES(0);
+    glDeleteVertexArraysOES(1, &a_vertex_array);
+  }
   glSetCurrentContextPPAPI(kInvalidContext);
 
   int32_t rv = SwapBuffersSync(&context);