Revert of Mandoline: Add WebGL support

components/html_viewer/blink_platform_impl.cc

Index: components/html_viewer/blink_platform_impl.cc
diff --git a/components/html_viewer/blink_platform_impl.cc b/components/html_viewer/blink_platform_impl.cc
index 560a4f51427b4070b6a716a82ad7a832dca11c9e..fbf40d3ab3ac60db81b7da6b4490111de0f11e08 100644
--- a/components/html_viewer/blink_platform_impl.cc
+++ b/components/html_viewer/blink_platform_impl.cc
@@ -17,7 +17,6 @@
 #include "components/html_viewer/blink_resource_constants.h"
 #include "components/html_viewer/web_clipboard_impl.h"
 #include "components/html_viewer/web_cookie_jar_impl.h"
-#include "components/html_viewer/web_graphics_context_3d_command_buffer_impl.h"
 #include "components/html_viewer/web_socket_handle_impl.h"
 #include "components/html_viewer/web_url_loader_impl.h"
 #include "components/message_port/web_message_port_channel_impl.h"
@@ -35,7 +34,6 @@
 #include "third_party/WebKit/public/platform/WebWaitableEvent.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/events/gestures/blink/web_gesture_curve_impl.h"
-#include "url/gurl.h"
 
 namespace html_viewer {
 namespace {
@@ -70,8 +68,7 @@
 BlinkPlatformImpl::BlinkPlatformImpl(
     mojo::ApplicationImpl* app,
     scheduler::RendererScheduler* renderer_scheduler)
-    : app_(app),
-      main_thread_task_runner_(renderer_scheduler->DefaultTaskRunner()),
+    : main_thread_task_runner_(renderer_scheduler->DefaultTaskRunner()),
       main_thread_(new scheduler::WebThreadImplForRendererScheduler(
           renderer_scheduler)) {
   if (app) {
@@ -163,34 +160,6 @@
     const char* category_name) {
   static const unsigned char buf[] = "*";
   return buf;
-}
-
-blink::WebGraphicsContext3D*
-BlinkPlatformImpl::createOffscreenGraphicsContext3D(
-    const blink::WebGraphicsContext3D::Attributes& attributes,
-    blink::WebGraphicsContext3D* share_context) {
-  return createOffscreenGraphicsContext3D(attributes, share_context, nullptr);
-}
-
-blink::WebGraphicsContext3D*
-BlinkPlatformImpl::createOffscreenGraphicsContext3D(
-    const blink::WebGraphicsContext3D::Attributes& attributes,
-    blink::WebGraphicsContext3D* share_context,
-    blink::WebGLInfo* gl_info) {
-  return WebGraphicsContext3DCommandBufferImpl::CreateOffscreenContext(
-      app_, GURL(attributes.topDocumentURL), attributes, share_context,
-      gl_info);
-}
-
-blink::WebGraphicsContext3D*
-BlinkPlatformImpl::createOffscreenGraphicsContext3D(
-    const blink::WebGraphicsContext3D::Attributes& attributes) {
-  return createOffscreenGraphicsContext3D(attributes, nullptr, nullptr);
-}
-
-blink::WebGraphicsContext3DProvider*
-BlinkPlatformImpl::createSharedOffscreenGraphicsContext3DProvider() {
-  return nullptr;
 }
 
 blink::WebData BlinkPlatformImpl::loadResource(const char* resource) {