Fix incorrect binding spec for multisampled_render_to_texture APIs

ui/gl/gl_bindings_autogen_gl.cc

Index: ui/gl/gl_bindings_autogen_gl.cc
diff --git a/ui/gl/gl_bindings_autogen_gl.cc b/ui/gl/gl_bindings_autogen_gl.cc
index 642190c0e7a4eb208ddc2d1465c7ef38f72e4787..11383b15a15cbd7adccc7a9b25ee9c80dbd14342 100644
--- a/ui/gl/gl_bindings_autogen_gl.cc
+++ b/ui/gl/gl_bindings_autogen_gl.cc
@@ -1692,12 +1692,7 @@ void DriverGL::InitializeDynamicBindings(GLContext* context) {
   }
 
   debug_fn.glRenderbufferStorageMultisampleANGLEFn = 0;
-  if (ver->IsAtLeastGL(3u, 0u) || ver->IsAtLeastGLES(3u, 0u)) {
-    fn.glRenderbufferStorageMultisampleANGLEFn =
-        reinterpret_cast<glRenderbufferStorageMultisampleANGLEProc>(
-            GetGLProcAddress("glRenderbufferStorageMultisample"));
-    DCHECK(fn.glRenderbufferStorageMultisampleANGLEFn);
-  } else if (ext.b_GL_ANGLE_framebuffer_multisample) {
+  if (ext.b_GL_ANGLE_framebuffer_multisample) {
     fn.glRenderbufferStorageMultisampleANGLEFn =
         reinterpret_cast<glRenderbufferStorageMultisampleANGLEProc>(
             GetGLProcAddress("glRenderbufferStorageMultisampleANGLE"));
@@ -1705,13 +1700,8 @@ void DriverGL::InitializeDynamicBindings(GLContext* context) {
   }
 
   debug_fn.glRenderbufferStorageMultisampleEXTFn = 0;
-  if (ver->IsAtLeastGL(3u, 0u) || ver->IsAtLeastGLES(3u, 0u)) {
-    fn.glRenderbufferStorageMultisampleEXTFn =
-        reinterpret_cast<glRenderbufferStorageMultisampleEXTProc>(
-            GetGLProcAddress("glRenderbufferStorageMultisample"));
-    DCHECK(fn.glRenderbufferStorageMultisampleEXTFn);

[no sievers, 2015/02/03 21:39:41]

The problem was caused by us falling into here on ARM (ES3 +
multisampled_render_to_texture). Then drawing buffer creation failed (was
incomplete when we do CheckFramebufferStatus).

-  } else if (ext.b_GL_EXT_multisampled_render_to_texture ||
-             ext.b_GL_EXT_framebuffer_multisample) {
+  if (ext.b_GL_EXT_multisampled_render_to_texture ||
+      ext.b_GL_EXT_framebuffer_multisample) {
     fn.glRenderbufferStorageMultisampleEXTFn =
         reinterpret_cast<glRenderbufferStorageMultisampleEXTProc>(
             GetGLProcAddress("glRenderbufferStorageMultisampleEXT"));