Converting applicable WebGraphicsContext3D functions to the GL macros

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc

 // Copyright (c) 2012 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.
 
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 
 #include "third_party/khronos/GLES2/gl2.h"
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
@@ skipping 86 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 
 base::LazyInstance<GLES2Initializer> g_gles2_initializer =
     LAZY_INSTANCE_INITIALIZER;
 
 ////////////////////////////////////////////////////////////////////////////////
 
 } // namespace anonymous
 
+// Helper macros to reduce the amount of code.
+
+#define DELEGATE_TO_GL(name, glname)                                    \
+void WebGraphicsContext3DCommandBufferImpl::name() {                    \
+  gl_->glname();                                                        \
+}
+
+#define DELEGATE_TO_GL_R(name, glname, rt)                              \
+rt WebGraphicsContext3DCommandBufferImpl::name() {                      \
+  return gl_->glname();                                                 \
+}
+
+#define DELEGATE_TO_GL_1(name, glname, t1)                              \
+void WebGraphicsContext3DCommandBufferImpl::name(t1 a1) {               \
+  gl_->glname(a1);                                                      \
+}
+
+#define DELEGATE_TO_GL_1R(name, glname, t1, rt)                         \
+rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) {                 \
+  return gl_->glname(a1);                                               \
+}
+
+#define DELEGATE_TO_GL_1RB(name, glname, t1, rt)                        \
+rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) {                 \
+  return gl_->glname(a1) ? true : false;                                \
+}
+
+#define DELEGATE_TO_GL_2(name, glname, t1, t2)                          \
+void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) {        \
+  gl_->glname(a1, a2);                                                  \
+}
+
+#define DELEGATE_TO_GL_2R(name, glname, t1, t2, rt)                     \
+rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) {          \
+  return gl_->glname(a1, a2);                                           \
+}
+
+#define DELEGATE_TO_GL_3(name, glname, t1, t2, t3)                      \
+void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3) { \
+  gl_->glname(a1, a2, a3);                                              \
+}
+
+#define DELEGATE_TO_GL_4(name, glname, t1, t2, t3, t4)                  \
+void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,   \
+                                                 t4 a4) {               \
+  gl_->glname(a1, a2, a3, a4);                                          \
+}
+
+#define DELEGATE_TO_GL_4R(name, glname, t1, t2, t3, t4, rt)             \
+rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,     \
+                                                 t4 a4) {               \

[greggman, 2013/06/06 18:07:13]

do you want to align this?

+  return gl_->glname(a1, a2, a3, a4);                                   \
+}
+
+#define DELEGATE_TO_GL_5(name, glname, t1, t2, t3, t4, t5)              \
+void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,   \
+                                                 t4 a4, t5 a5) {        \
+  gl_->glname(a1, a2, a3, a4, a5);                                      \
+}
+
+#define DELEGATE_TO_GL_6(name, glname, t1, t2, t3, t4, t5, t6)          \
+void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,   \
+                                                 t4 a4, t5 a5, t6 a6) { \
+  gl_->glname(a1, a2, a3, a4, a5, a6);                                  \
+}
+
+#define DELEGATE_TO_GL_7(name, glname, t1, t2, t3, t4, t5, t6, t7)      \
+void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,   \
+                                                 t4 a4, t5 a5, t6 a6,   \
+                                                 t7 a7) {               \
+  gl_->glname(a1, a2, a3, a4, a5, a6, a7);                              \
+}
+
+#define DELEGATE_TO_GL_8(name, glname, t1, t2, t3, t4, t5, t6, t7, t8)  \
+void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,   \
+                                                 t4 a4, t5 a5, t6 a6,   \
+                                                 t7 a7, t8 a8) {        \
+  gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8);                          \
+}
+
+#define DELEGATE_TO_GL_9(name, glname, t1, t2, t3, t4, t5, t6, t7, t8, t9) \
+void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,   \
+                                                 t4 a4, t5 a5, t6 a6,   \
+                                                 t7 a7, t8 a8, t9 a9) { \
+  gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8, a9);                      \
+}
+
 class WebGraphicsContext3DErrorMessageCallback
     : public gpu::gles2::GLES2Implementation::ErrorMessageCallback {
  public:
   WebGraphicsContext3DErrorMessageCallback(
       WebGraphicsContext3DCommandBufferImpl* context)
       : graphics_context_(context) {
   }
 
   virtual void OnErrorMessage(const char* msg, int id) OVERRIDE;
 
@@ skipping 280 matching lines @@
 }
 
 int WebGraphicsContext3DCommandBufferImpl::width() {
   return cached_width_;
 }
 
 int WebGraphicsContext3DCommandBufferImpl::height() {
   return cached_height_;
 }
 
-unsigned int WebGraphicsContext3DCommandBufferImpl::insertSyncPoint() {
-  return gl_->InsertSyncPointCHROMIUM();
-}
+DELEGATE_TO_GL_R(insertSyncPoint, InsertSyncPointCHROMIUM, unsigned int)
 
 void WebGraphicsContext3DCommandBufferImpl::Destroy() {
   if (gl_) {
     // First flush the context to ensure that any pending frees of resources
     // are completed. Otherwise, if this context is part of a share group,
     // those resources might leak. Also, any remaining side effects of commands
     // issued on this context might not be visible to other contexts in the
     // share group.
     gl_->Flush();
     gl_ = NULL;
@@ skipping 163 matching lines @@
 }
 
 void WebGraphicsContext3DCommandBufferImpl::synthesizeGLError(
     WGC3Denum error) {
   if (std::find(synthetic_errors_.begin(), synthetic_errors_.end(), error) ==
       synthetic_errors_.end()) {
     synthetic_errors_.push_back(error);
   }
 }
 
-void* WebGraphicsContext3DCommandBufferImpl::mapBufferSubDataCHROMIUM(
-    WGC3Denum target,
-    WGC3Dintptr offset,
-    WGC3Dsizeiptr size,
-    WGC3Denum access) {
-  return gl_->MapBufferSubDataCHROMIUM(target, offset, size, access);
-}
+DELEGATE_TO_GL_4R(mapBufferSubDataCHROMIUM, MapBufferSubDataCHROMIUM, WGC3Denum,
+                  WGC3Dintptr, WGC3Dsizeiptr, WGC3Denum, void*)
 
-void WebGraphicsContext3DCommandBufferImpl::unmapBufferSubDataCHROMIUM(
-    const void* mem) {
-  return gl_->UnmapBufferSubDataCHROMIUM(mem);
-}
+DELEGATE_TO_GL_1(unmapBufferSubDataCHROMIUM, UnmapBufferSubDataCHROMIUM,
+                 const void*)
 
 void* WebGraphicsContext3DCommandBufferImpl::mapTexSubImage2DCHROMIUM(
     WGC3Denum target,
     WGC3Dint level,
     WGC3Dint xoffset,
     WGC3Dint yoffset,
     WGC3Dsizei width,
     WGC3Dsizei height,
     WGC3Denum format,
     WGC3Denum type,
     WGC3Denum access) {
   return gl_->MapTexSubImage2DCHROMIUM(
       target, level, xoffset, yoffset, width, height, format, type, access);
 }
 
-void WebGraphicsContext3DCommandBufferImpl::unmapTexSubImage2DCHROMIUM(
-    const void* mem) {
-  gl_->UnmapTexSubImage2DCHROMIUM(mem);
-}
+DELEGATE_TO_GL_1(unmapTexSubImage2DCHROMIUM, UnmapTexSubImage2DCHROMIUM,
+                 const void*)
 
 void WebGraphicsContext3DCommandBufferImpl::setVisibilityCHROMIUM(
     bool visible) {
   gl_->Flush();
   visible_ = visible;
   command_buffer_->SetSurfaceVisible(visible);
   if (!visible)
     real_gl_->FreeEverything();
 }
 
-void WebGraphicsContext3DCommandBufferImpl::discardFramebufferEXT(
-    WGC3Denum target, WGC3Dsizei numAttachments, const WGC3Denum* attachments) {
-  gl_->DiscardFramebufferEXT(target, numAttachments, attachments);
-}
+DELEGATE_TO_GL_3(discardFramebufferEXT, DiscardFramebufferEXT, WGC3Denum,
+                 WGC3Dsizei, const WGC3Denum*)
 
 void WebGraphicsContext3DCommandBufferImpl::discardBackbufferCHROMIUM() {
   gl_->Flush();
   command_buffer_->DiscardBackbuffer();
 }
 
 void WebGraphicsContext3DCommandBufferImpl::ensureBackbufferCHROMIUM() {
   gl_->Flush();
   command_buffer_->EnsureBackbuffer();
 }
@@ skipping 24 matching lines @@
     command_buffer_->SetMemoryAllocationChangedCallback(
         base::Callback<void(const GpuMemoryAllocationForRenderer&)>());
 }
 
 
 void WebGraphicsContext3DCommandBufferImpl::copyTextureToParentTextureCHROMIUM(
     WebGLId texture, WebGLId parentTexture) {
   NOTIMPLEMENTED();
 }
 
-void WebGraphicsContext3DCommandBufferImpl::
-    rateLimitOffscreenContextCHROMIUM() {
-  gl_->RateLimitOffscreenContextCHROMIUM();
-}
+DELEGATE_TO_GL(rateLimitOffscreenContextCHROMIUM,
+               RateLimitOffscreenContextCHROMIUM)
 
 WebKit::WebString WebGraphicsContext3DCommandBufferImpl::
     getRequestableExtensionsCHROMIUM() {
   return WebKit::WebString::fromUTF8(
       gl_->GetRequestableExtensionsCHROMIUM());
 }
 
-void WebGraphicsContext3DCommandBufferImpl::requestExtensionCHROMIUM(
-    const char* extension) {
-  gl_->RequestExtensionCHROMIUM(extension);
-}
+DELEGATE_TO_GL_1(requestExtensionCHROMIUM, RequestExtensionCHROMIUM,
+                 const char*)
 
 void WebGraphicsContext3DCommandBufferImpl::blitFramebufferCHROMIUM(
     WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1,
     WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1,
     WGC3Dbitfield mask, WGC3Denum filter) {
   gl_->BlitFramebufferEXT(
       srcX0, srcY0, srcX1, srcY1,
       dstX0, dstY0, dstX1, dstY1,
       mask, filter);
 }
 
-void WebGraphicsContext3DCommandBufferImpl::
-    renderbufferStorageMultisampleCHROMIUM(
-        WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat,
-        WGC3Dsizei width, WGC3Dsizei height) {
-  gl_->RenderbufferStorageMultisampleEXT(
-      target, samples, internalformat, width, height);
-}
+DELEGATE_TO_GL_5(renderbufferStorageMultisampleCHROMIUM,
+                 RenderbufferStorageMultisampleEXT, WGC3Denum, WGC3Dsizei,
+                 WGC3Denum, WGC3Dsizei, WGC3Dsizei)
 
-WebGLId WebGraphicsContext3DCommandBufferImpl::createStreamTextureCHROMIUM(
-    WebGLId texture) {
-  return gl_->CreateStreamTextureCHROMIUM(texture);
-}
+DELEGATE_TO_GL_1R(createStreamTextureCHROMIUM, CreateStreamTextureCHROMIUM,
+                  WebGLId, WebGLId)
 
-void WebGraphicsContext3DCommandBufferImpl::destroyStreamTextureCHROMIUM(
-    WebGLId texture) {
-  gl_->DestroyStreamTextureCHROMIUM(texture);
-}
-
-// Helper macros to reduce the amount of code.
-
-#define DELEGATE_TO_GL(name, glname)                                    \
-void WebGraphicsContext3DCommandBufferImpl::name() {                    \
-  gl_->glname();                                                        \
-}
-
-#define DELEGATE_TO_GL_1(name, glname, t1)                              \
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1) {               \
-  gl_->glname(a1);                                                      \
-}
-
-#define DELEGATE_TO_GL_1R(name, glname, t1, rt)                         \
-rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) {                 \
-  return gl_->glname(a1);                                               \
-}
-
-#define DELEGATE_TO_GL_1RB(name, glname, t1, rt)                        \
-rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) {                 \
-  return gl_->glname(a1) ? true : false;                                \
-}
-
-#define DELEGATE_TO_GL_2(name, glname, t1, t2)                          \
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) {        \
-  gl_->glname(a1, a2);                                                  \
-}
-
-#define DELEGATE_TO_GL_2R(name, glname, t1, t2, rt)                     \
-rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) {          \
-  return gl_->glname(a1, a2);                                           \
-}
-
-#define DELEGATE_TO_GL_3(name, glname, t1, t2, t3)                      \
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3) { \
-  gl_->glname(a1, a2, a3);                                              \
-}
-
-#define DELEGATE_TO_GL_4(name, glname, t1, t2, t3, t4)                  \
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, t4 a4) { \
-  gl_->glname(a1, a2, a3, a4);                                          \
-}
-
-#define DELEGATE_TO_GL_5(name, glname, t1, t2, t3, t4, t5)              \
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,   \
-                                                 t4 a4, t5 a5) {        \
-  gl_->glname(a1, a2, a3, a4, a5);                                      \
-}
-
-#define DELEGATE_TO_GL_6(name, glname, t1, t2, t3, t4, t5, t6)          \
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,   \
-                                                 t4 a4, t5 a5, t6 a6) { \
-  gl_->glname(a1, a2, a3, a4, a5, a6);                                  \
-}
-
-#define DELEGATE_TO_GL_7(name, glname, t1, t2, t3, t4, t5, t6, t7)      \
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,   \
-                                                 t4 a4, t5 a5, t6 a6, t7 a7) { \
-  gl_->glname(a1, a2, a3, a4, a5, a6, a7);                              \
-}
-
-#define DELEGATE_TO_GL_8(name, glname, t1, t2, t3, t4, t5, t6, t7, t8)  \
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,   \
-                                                 t4 a4, t5 a5, t6 a6,   \
-                                                 t7 a7, t8 a8) {        \
-  gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8);                          \
-}
-
-#define DELEGATE_TO_GL_9(name, glname, t1, t2, t3, t4, t5, t6, t7, t8, t9) \
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3,   \
-                                                 t4 a4, t5 a5, t6 a6,   \
-                                                 t7 a7, t8 a8, t9 a9) { \
-  gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8, a9);                      \
-}
+DELEGATE_TO_GL_1(destroyStreamTextureCHROMIUM, DestroyStreamTextureCHROMIUM,
+                 WebGLId)
 
 DELEGATE_TO_GL_1(activeTexture, ActiveTexture, WGC3Denum)
 
 DELEGATE_TO_GL_2(attachShader, AttachShader, WebGLId, WebGLId)
 
 DELEGATE_TO_GL_3(bindAttribLocation, BindAttribLocation, WebGLId,
                  WGC3Duint, const WGC3Dchar*)
 
 DELEGATE_TO_GL_2(bindBuffer, BindBuffer, WGC3Denum, WebGLId)
 
@@ skipping 507 matching lines @@
   gl_->GenBuffers(1, &o);
   return o;
 }
 
 WebGLId WebGraphicsContext3DCommandBufferImpl::createFramebuffer() {
   GLuint o = 0;
   gl_->GenFramebuffers(1, &o);
   return o;
 }
 
-WebGLId WebGraphicsContext3DCommandBufferImpl::createProgram() {
-  return gl_->CreateProgram();
-}
+DELEGATE_TO_GL_R(createProgram, CreateProgram, WebGLId)
 
 WebGLId WebGraphicsContext3DCommandBufferImpl::createRenderbuffer() {
   GLuint o;
   gl_->GenRenderbuffers(1, &o);
   return o;
 }
 
-DELEGATE_TO_GL_1R(createShader, CreateShader, WGC3Denum, WebGLId);
+DELEGATE_TO_GL_1R(createShader, CreateShader, WGC3Denum, WebGLId)
 
 WebGLId WebGraphicsContext3DCommandBufferImpl::createTexture() {
   GLuint o;
   gl_->GenTextures(1, &o);
   return o;
 }
 
 void WebGraphicsContext3DCommandBufferImpl::deleteBuffer(WebGLId buffer) {
   gl_->DeleteBuffers(1, &buffer);
 }
 
 void WebGraphicsContext3DCommandBufferImpl::deleteFramebuffer(
     WebGLId framebuffer) {
   gl_->DeleteFramebuffers(1, &framebuffer);
 }
 
-void WebGraphicsContext3DCommandBufferImpl::deleteProgram(WebGLId program) {
-  gl_->DeleteProgram(program);
-}
+DELEGATE_TO_GL_1(deleteProgram, DeleteProgram, WebGLId)
 
 void WebGraphicsContext3DCommandBufferImpl::deleteRenderbuffer(
     WebGLId renderbuffer) {
   gl_->DeleteRenderbuffers(1, &renderbuffer);
 }
 
-void WebGraphicsContext3DCommandBufferImpl::deleteShader(WebGLId shader) {
-  gl_->DeleteShader(shader);
-}
+DELEGATE_TO_GL_1(deleteShader, DeleteShader, WebGLId)
 
 void WebGraphicsContext3DCommandBufferImpl::deleteTexture(WebGLId texture) {
   gl_->DeleteTextures(1, &texture);
 }
 
 bool WebGraphicsContext3DCommandBufferImpl::ShouldUseSwapClient() {
   return factory_ && factory_->IsMainThread() && swap_client_.get();
 }
 
 void WebGraphicsContext3DCommandBufferImpl::OnSwapBuffersComplete() {
@@ skipping 203 matching lines @@
 }
 
 DELEGATE_TO_GL_1R(isVertexArrayOES, IsVertexArrayOES, WebGLId, WGC3Dboolean)
 DELEGATE_TO_GL_1(bindVertexArrayOES, BindVertexArrayOES, WebGLId)
 
 DELEGATE_TO_GL_2(bindTexImage2DCHROMIUM, BindTexImage2DCHROMIUM,
                  WGC3Denum, WGC3Dint)
 DELEGATE_TO_GL_2(releaseTexImage2DCHROMIUM, ReleaseTexImage2DCHROMIUM,
                  WGC3Denum, WGC3Dint)
 
-void* WebGraphicsContext3DCommandBufferImpl::mapBufferCHROMIUM(
-    WGC3Denum target, WGC3Denum access) {
-  return gl_->MapBufferCHROMIUM(target, access);
-}
+DELEGATE_TO_GL_2R(mapBufferCHROMIUM, MapBufferCHROMIUM, WGC3Denum, WGC3Denum,
+                  void*)
+DELEGATE_TO_GL_1R(unmapBufferCHROMIUM, UnmapBufferCHROMIUM, WGC3Denum,
+                  WGC3Dboolean)
 
-WGC3Dboolean WebGraphicsContext3DCommandBufferImpl::unmapBufferCHROMIUM(
-    WGC3Denum target) {
-  return gl_->UnmapBufferCHROMIUM(target);
-}
+DELEGATE_TO_GL_9(asyncTexImage2DCHROMIUM, AsyncTexImage2DCHROMIUM, WGC3Denum,
+                 WGC3Dint, WGC3Denum, WGC3Dsizei, WGC3Dsizei, WGC3Dint,
+                 WGC3Denum, WGC3Denum, const void*)
+DELEGATE_TO_GL_9(asyncTexSubImage2DCHROMIUM, AsyncTexSubImage2DCHROMIUM,
+                 WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei,
+                 WGC3Dsizei, WGC3Denum, WGC3Denum, const void*)
 
-void WebGraphicsContext3DCommandBufferImpl::asyncTexImage2DCHROMIUM(
-    WGC3Denum target,
-    WGC3Dint level,
-    WGC3Denum internalformat,
-    WGC3Dsizei width,
-    WGC3Dsizei height,
-    WGC3Dint border,
-    WGC3Denum format,
-    WGC3Denum type,
-    const void* pixels) {
-  return gl_->AsyncTexImage2DCHROMIUM(
-      target, level, internalformat,
-      width, height, border, format, type, pixels);
-}
+DELEGATE_TO_GL_1(waitAsyncTexImage2DCHROMIUM, WaitAsyncTexImage2DCHROMIUM,
+                 WGC3Denum)
 
-void WebGraphicsContext3DCommandBufferImpl::asyncTexSubImage2DCHROMIUM(
-    WGC3Denum target,
-    WGC3Dint level,
-    WGC3Dint xoffset,
-    WGC3Dint yoffset,
-    WGC3Dsizei width,
-    WGC3Dsizei height,
-    WGC3Denum format,
-    WGC3Denum type,
-    const void *pixels) {
-  return gl_->AsyncTexSubImage2DCHROMIUM(
-      target, level, xoffset, yoffset,
-      width, height, format, type, pixels);
-}
-
-void WebGraphicsContext3DCommandBufferImpl::waitAsyncTexImage2DCHROMIUM(
-    WGC3Denum target) {
-  return gl_->WaitAsyncTexImage2DCHROMIUM(target);
-}
-
-void WebGraphicsContext3DCommandBufferImpl::drawBuffersEXT(
-    WGC3Dsizei n,
-    const WGC3Denum* bufs) {
-  gl_->DrawBuffersEXT(n, bufs);
-}
+DELEGATE_TO_GL_2(drawBuffersEXT, DrawBuffersEXT, WGC3Dsizei, const WGC3Denum*)
 
 GrGLInterface* WebGraphicsContext3DCommandBufferImpl::onCreateGrGLInterface() {
   return webkit::gpu::CreateCommandBufferSkiaGLBinding();
 }
 
 namespace {
 
 WGC3Denum convertReason(gpu::error::ContextLostReason reason) {
   switch (reason) {
   case gpu::error::kGuilty:
@@ skipping 24 matching lines @@
 
 void WebGraphicsContext3DCommandBufferImpl::OnErrorMessage(
     const std::string& message, int id) {
   if (error_message_callback_) {
     WebKit::WebString str = WebKit::WebString::fromUTF8(message.c_str());
     error_message_callback_->onErrorMessage(str, id);
   }
 }
 
 }  // namespace content