Revert 247793 "Ensure GL initialization only happens once, and p..."

trunk/src/webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc

Index: trunk/src/webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
===================================================================
--- trunk/src/webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc	(revision 247809)
+++ trunk/src/webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc	(working copy)
@@ -24,7 +24,7 @@
 #include "gpu/command_buffer/client/gles2_lib.h"
 #include "gpu/skia_bindings/gl_bindings_skia_cmd_buffer.h"
 #include "ui/gfx/size.h"
-#include "ui/gl/gl_implementation.h"
+#include "ui/gl/gl_surface.h"
 
 using gpu::gles2::GLES2Implementation;
 using gpu::GLInProcessContext;
@@ -74,9 +74,12 @@
 WebGraphicsContext3DInProcessCommandBufferImpl::CreateViewContext(
     const blink::WebGraphicsContext3D::Attributes& attributes,
     gfx::AcceleratedWidget window) {
-  DCHECK_NE(gfx::GetGLImplementation(), gfx::kGLImplementationNone);
-  return make_scoped_ptr(new WebGraphicsContext3DInProcessCommandBufferImpl(
+  scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context;
+  if (gfx::GLSurface::InitializeOneOff()) {
+    context.reset(new WebGraphicsContext3DInProcessCommandBufferImpl(
       scoped_ptr< ::gpu::GLInProcessContext>(), attributes, false, window));
+  }
+  return context.Pass();
 }
 
 // static
@@ -84,21 +87,24 @@
 WebGraphicsContext3DInProcessCommandBufferImpl::CreateOffscreenContext(
     const blink::WebGraphicsContext3D::Attributes& attributes) {
   return make_scoped_ptr(new WebGraphicsContext3DInProcessCommandBufferImpl(
-      scoped_ptr< ::gpu::GLInProcessContext>(),
-      attributes,
-      true,
-      gfx::kNullAcceleratedWidget));
+                             scoped_ptr< ::gpu::GLInProcessContext>(),
+                             attributes,
+                             true,
+                             gfx::kNullAcceleratedWidget))
+      .Pass();
 }
 
 scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>
 WebGraphicsContext3DInProcessCommandBufferImpl::WrapContext(
     scoped_ptr< ::gpu::GLInProcessContext> context,
     const blink::WebGraphicsContext3D::Attributes& attributes) {
-  return make_scoped_ptr(new WebGraphicsContext3DInProcessCommandBufferImpl(
-      context.Pass(),
-      attributes,
-      true /* is_offscreen. Not used. */,
-      gfx::kNullAcceleratedWidget /* window. Not used. */));
+  return make_scoped_ptr(
+      new WebGraphicsContext3DInProcessCommandBufferImpl(
+          context.Pass(),
+          attributes,
+          true /* is_offscreen. Not used. */,
+          gfx::kNullAcceleratedWidget /* window. Not used. */))
+      .Pass();
 }
 
 WebGraphicsContext3DInProcessCommandBufferImpl::