Hook ANGLE_request_extension up to the passthrough cmd decoder.

ui/gl/gl_bindings_autogen_gl.cc

Index: ui/gl/gl_bindings_autogen_gl.cc
diff --git a/ui/gl/gl_bindings_autogen_gl.cc b/ui/gl/gl_bindings_autogen_gl.cc
index 5257bd5dc32a3aa5ec99ced561bab7741573c89b..09886f3c166ca22a72bae8fa61a7345efceba194 100644
--- a/ui/gl/gl_bindings_autogen_gl.cc
+++ b/ui/gl/gl_bindings_autogen_gl.cc
@@ -386,6 +386,7 @@ void DriverGL::InitializeStaticBindings() {
   fn.glRenderbufferStorageMultisampleANGLEFn = 0;
   fn.glRenderbufferStorageMultisampleEXTFn = 0;
   fn.glRenderbufferStorageMultisampleIMGFn = 0;
+  fn.glRequestExtensionANGLEFn = 0;
   fn.glResumeTransformFeedbackFn = 0;
   fn.glSampleCoverageFn = reinterpret_cast<glSampleCoverageProc>(
       GetGLProcAddress("glSampleCoverage"));
@@ -550,6 +551,8 @@ void DriverGL::InitializeDynamicBindings(
       extensions.find("GL_ANGLE_framebuffer_multisample ") != std::string::npos;
   ext.b_GL_ANGLE_instanced_arrays =
       extensions.find("GL_ANGLE_instanced_arrays ") != std::string::npos;
+  ext.b_GL_ANGLE_request_extension =
+      extensions.find("GL_ANGLE_request_extension ") != std::string::npos;
   ext.b_GL_ANGLE_robust_client_memory =
       extensions.find("GL_ANGLE_robust_client_memory ") != std::string::npos;
   ext.b_GL_ANGLE_translated_shader_source =
@@ -2108,6 +2111,12 @@ void DriverGL::InitializeDynamicBindings(
             GetGLProcAddress("glRenderbufferStorageMultisampleIMG"));
   }
 
+  if (ext.b_GL_ANGLE_request_extension) {
+    fn.glRequestExtensionANGLEFn =
+        reinterpret_cast<glRequestExtensionANGLEProc>(
+            GetGLProcAddress("glRequestExtensionANGLE"));
+  }
+
   if (ver->IsAtLeastGLES(3u, 0u) || ver->IsAtLeastGL(4u, 0u) ||
       ext.b_GL_ARB_transform_feedback2) {
     fn.glResumeTransformFeedbackFn =
@@ -4306,6 +4315,10 @@ void GLApiBase::glRenderbufferStorageMultisampleIMGFn(GLenum target,
       target, samples, internalformat, width, height);
 }
 
+void GLApiBase::glRequestExtensionANGLEFn(const char* name) {
+  driver_->fn.glRequestExtensionANGLEFn(name);
+}
+
 void GLApiBase::glResumeTransformFeedbackFn(void) {
   driver_->fn.glResumeTransformFeedbackFn();
 }
@@ -7207,6 +7220,11 @@ void TraceGLApi::glRenderbufferStorageMultisampleIMGFn(GLenum target,
                                                  internalformat, width, height);
 }
 
+void TraceGLApi::glRequestExtensionANGLEFn(const char* name) {
+  TRACE_EVENT_BINARY_EFFICIENT0("gpu", "TraceGLAPI::glRequestExtensionANGLE")
+  gl_api_->glRequestExtensionANGLEFn(name);
+}
+
 void TraceGLApi::glResumeTransformFeedbackFn(void) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "TraceGLAPI::glResumeTransformFeedback")
   gl_api_->glResumeTransformFeedbackFn();
@@ -10932,6 +10950,12 @@ void DebugGLApi::glRenderbufferStorageMultisampleIMGFn(GLenum target,
                                                  internalformat, width, height);
 }
 
+void DebugGLApi::glRequestExtensionANGLEFn(const char* name) {
+  GL_SERVICE_LOG("glRequestExtensionANGLE"
+                 << "(" << name << ")");
+  gl_api_->glRequestExtensionANGLEFn(name);
+}
+
 void DebugGLApi::glResumeTransformFeedbackFn(void) {
   GL_SERVICE_LOG("glResumeTransformFeedback"
                  << "("
@@ -14517,6 +14541,13 @@ void NoContextGLApi::glRenderbufferStorageMultisampleIMGFn(
                 "current GL context";
 }
 
+void NoContextGLApi::glRequestExtensionANGLEFn(const char* name) {
+  NOTREACHED()
+      << "Trying to call glRequestExtensionANGLE() without current GL context";
+  LOG(ERROR)
+      << "Trying to call glRequestExtensionANGLE() without current GL context";
+}
+
 void NoContextGLApi::glResumeTransformFeedbackFn(void) {
   NOTREACHED() << "Trying to call glResumeTransformFeedback() without current "
                   "GL context";