Route IPC through browser when creating a viewable command buffer.

chrome/renderer/webgraphicscontext3d_command_buffer_impl.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if defined(ENABLE_GPU)
 
 #include "chrome/renderer/webgraphicscontext3d_command_buffer_impl.h"
 
 #include <GLES2/gl2.h>
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
 #include <GLES2/gl2ext.h>
 
 #include <algorithm>
 
 #include "base/string_tokenizer.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/renderer/gpu_channel_host.h"
 #include "chrome/renderer/render_thread.h"
 #include "chrome/renderer/render_view.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 
 WebGraphicsContext3DCommandBufferImpl::WebGraphicsContext3DCommandBufferImpl()
     : context_(NULL),
       web_view_(NULL),
-#if defined(OS_MACOSX)
-      plugin_handle_(NULL),
-#endif  // defined(OS_MACOSX)
       cached_width_(0),
       cached_height_(0),
       bound_fbo_(0) {
 }
 
 WebGraphicsContext3DCommandBufferImpl::
     ~WebGraphicsContext3DCommandBufferImpl() {
-#if defined(OS_MACOSX)
-  if (web_view_) {
-    DCHECK(plugin_handle_ != gfx::kNullPluginWindow);
-    RenderView* renderview = RenderView::FromWebView(web_view_);
-    // The RenderView might already have been freed, but in its
-    // destructor it destroys all fake plugin window handles it
-    // allocated.
-    if (renderview) {
-      renderview->DestroyFakePluginWindowHandle(plugin_handle_);
-    }
-    plugin_handle_ = gfx::kNullPluginWindow;
-  }
-#endif
   if (context_) {
     ggl::DestroyContext(context_);
   }
 }
 
 static const char* kWebGraphicsContext3DPerferredGLExtensions =
     "GL_OES_packed_depth_stencil "
     "GL_OES_depth24 "
     "GL_CHROMIUM_webglsl";
 
@@ skipping 31 matching lines @@
       4);
   if (attributes.canRecoverFromContextLoss == false) {
     if (gpu_info.can_lose_context())
       return false;
   }
 
   if (render_directly_to_web_view) {
     RenderView* renderview = RenderView::FromWebView(web_view);
     if (!renderview)
       return false;
-    gfx::NativeViewId view_id;
-#if !defined(OS_MACOSX)
-    view_id = renderview->host_window();
-#else
-    plugin_handle_ = renderview->AllocateFakePluginWindowHandle(
-        /*opaque=*/true, /*root=*/true);
-    view_id = static_cast<gfx::NativeViewId>(plugin_handle_);
-#endif
+
     web_view_ = web_view;
     context_ = ggl::CreateViewContext(
         host,
-        view_id,
         renderview->routing_id(),
         kWebGraphicsContext3DPerferredGLExtensions,
         attribs);
     if (context_) {
       ggl::SetSwapBuffersCallback(
           context_,
           NewCallback(this,
                       &WebGraphicsContext3DCommandBufferImpl::OnSwapBuffers));
     }
   } else {
@@ skipping 910 matching lines @@
 
 void WebGraphicsContext3DCommandBufferImpl::OnSwapBuffers() {
   // This may be called after tear-down of the RenderView.
   RenderView* renderview =
       web_view_ ? RenderView::FromWebView(web_view_) : NULL;
   if (renderview)
     renderview->DidFlushPaint();
 }
 
 #endif  // defined(ENABLE_GPU)