Updating calls to offscreen buffers to use a size of (0,0) when they do not require an actual buffer

ui/gl/gl_surface_egl.cc

Index: ui/gl/gl_surface_egl.cc
diff --git a/ui/gl/gl_surface_egl.cc b/ui/gl/gl_surface_egl.cc
index 040f8087f92d6a985e19f75d6ea5993914f2ecc3..f978b23883cb13269f518e592699dab07aed2082 100644
--- a/ui/gl/gl_surface_egl.cc
+++ b/ui/gl/gl_surface_egl.cc
@@ -489,6 +489,10 @@ void NativeViewGLSurfaceEGL::SetHandle(EGLSurface surface) {
 PbufferGLSurfaceEGL::PbufferGLSurfaceEGL(const gfx::Size& size)
     : size_(size),
       surface_(NULL) {
+  // Some implementations of Pbuffer do not support having a 0 size. For such
+  // cases use a (1, 1) surface.
+  if (size_.GetArea() == 0)
+    size_.SetSize(1, 1);
 }
 
 bool PbufferGLSurfaceEGL::Initialize() {
@@ -500,12 +504,6 @@ bool PbufferGLSurfaceEGL::Initialize() {
     return false;
   }
 
-  if (size_.GetArea() == 0) {
-    LOG(ERROR) << "Error: surface has zero area "
-               << size_.width() << " x " << size_.height();
-    return false;
-  }
-
   // Allocate the new pbuffer surface before freeing the old one to ensure
   // they have different addresses. If they have the same address then a
   // future call to MakeCurrent might early out because it appears the current