replace COMPILE_ASSERT with static_assert in cc/

cc/output/gl_renderer.cc

Index: cc/output/gl_renderer.cc
diff --git a/cc/output/gl_renderer.cc b/cc/output/gl_renderer.cc
index ee94a4c9f9b976e11ce81ee2867d31d4729e0699..2c1e3c87534441d4ca6cd72c6815638b38c5533f 100644
--- a/cc/output/gl_renderer.cc
+++ b/cc/output/gl_renderer.cc
@@ -2061,9 +2061,10 @@ void GLRenderer::FlushTextureQuadCache() {
   DCHECK_EQ(GL_TEXTURE0, GetActiveTextureUnit(gl_));
   GLC(gl_, gl_->BindTexture(GL_TEXTURE_2D, locked_quad.texture_id()));
 
-  COMPILE_ASSERT(sizeof(Float4) == 4 * sizeof(float), struct_is_densely_packed);
-  COMPILE_ASSERT(sizeof(Float16) == 16 * sizeof(float),
-                 struct_is_densely_packed);
+  static_assert(sizeof(Float4) == 4 * sizeof(float),
+                "Float4 struct should be densely packed");
+  static_assert(sizeof(Float16) == 16 * sizeof(float),
+                "Float16 struct should be densely packed");
 
   // Upload the tranforms for both points and uvs.
   GLC(gl_,