Implement TextureImageTransportSurface using texture mailbox

content/browser/renderer_host/image_transport_factory_android.cc

Index: content/browser/renderer_host/image_transport_factory_android.cc
diff --git a/content/browser/renderer_host/image_transport_factory_android.cc b/content/browser/renderer_host/image_transport_factory_android.cc
index deef5008acdaf4dc33a3cb632fbf5e2989233a15..d1663a9ac0a419c92395fce456b2367ca191526b 100644
--- a/content/browser/renderer_host/image_transport_factory_android.cc
+++ b/content/browser/renderer_host/image_transport_factory_android.cc
@@ -10,6 +10,7 @@
 #include "content/common/gpu/client/gl_helper.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
+#include "third_party/khronos/GLES2/gl2.h"
 
 namespace content {
 
@@ -48,11 +49,6 @@ gfx::GLSurfaceHandle ImageTransportFactoryAndroid::CreateSharedSurfaceHandle() {
   gfx::GLSurfaceHandle handle = gfx::GLSurfaceHandle(
       gfx::kNullPluginWindow, true);
   handle.parent_gpu_process_id = context_->GetGPUProcessID();
-  handle.parent_client_id = context_->GetChannelID();
-  handle.parent_context_id = context_->GetContextID();
-  handle.parent_texture_id[0] = context_->createTexture();
-  handle.parent_texture_id[1] = context_->createTexture();
-  handle.sync_point = context_->insertSyncPoint();
   context_->flush();
   return handle;
 }
@@ -63,10 +59,6 @@ void ImageTransportFactoryAndroid::DestroySharedSurfaceHandle(
     NOTREACHED() << "Failed to make shared graphics context current";
     return;
   }
-
-  context_->deleteTexture(handle.parent_texture_id[0]);
-  context_->deleteTexture(handle.parent_texture_id[1]);
-  context_->finish();
 }
 
 uint32_t ImageTransportFactoryAndroid::InsertSyncPoint() {
@@ -77,6 +69,27 @@ WebKit::WebGraphicsContext3D* ImageTransportFactoryAndroid::GetContext3D() {
   return context_.get();
 }
 
+uint32_t ImageTransportFactoryAndroid::CreateTexture() {
+  return context_->createTexture();
+}
+
+void ImageTransportFactoryAndroid::DeleteTexture(uint32_t id) {
+  context_->deleteTexture(id);
+}
+
+void ImageTransportFactoryAndroid::AcquireTexture(
+    uint32 texture_id, const signed char* mailbox_name) {
+  context_->bindTexture(GL_TEXTURE_2D, texture_id);
+  context_->consumeTextureCHROMIUM(GL_TEXTURE_2D, mailbox_name);
+  context_->flush();
+}
+
+void ImageTransportFactoryAndroid::ReleaseTexture(
+    uint32 texture_id, const signed char* mailbox_name) {
+  context_->bindTexture(GL_TEXTURE_2D, texture_id);
+  context_->produceTextureCHROMIUM(GL_TEXTURE_2D, mailbox_name);
+}
+
 GLHelper* ImageTransportFactoryAndroid::GetGLHelper() {
   if (!gl_helper_.get())
     gl_helper_.reset(new GLHelper(GetContext3D(), NULL));