Revert of Make gl_clear_broken workaround support core profile and use it under AMD Linux Catalyst driver

gpu/command_buffer/tests/gl_clear_framebuffer_unittest.cc

Index: gpu/command_buffer/tests/gl_clear_framebuffer_unittest.cc
diff --git a/gpu/command_buffer/tests/gl_clear_framebuffer_unittest.cc b/gpu/command_buffer/tests/gl_clear_framebuffer_unittest.cc
index ee20525a2b460e3d77d9b5733b709890a6854f78..ff2ca7975be0064d1cf710b9dd5ab77c6e6c1be1 100644
--- a/gpu/command_buffer/tests/gl_clear_framebuffer_unittest.cc
+++ b/gpu/command_buffer/tests/gl_clear_framebuffer_unittest.cc
@@ -43,6 +43,14 @@
       gl_.Initialize(GLManager::Options());
       DCHECK(!gl_.workarounds().gl_clear_broken);
     }
+  }
+
+  bool IsApplicable() {
+    // The workaround doesn't use VAOs which would cause a failure on a core
+    // context and the hardware for each the workaround is necessary has a buggy
+    // VAO implementation. So we skip testing the workaround on core profiles.
+    return !GetParam() ||
+           !gl_.context()->GetVersionInfo()->is_desktop_core_profile;
   }
 
   void InitDraw();
@@ -110,6 +118,10 @@
                         ::testing::Values(true, false));
 
 TEST_P(GLClearFramebufferTest, ClearColor) {
+  if (!IsApplicable()) {
+    return;
+  }
+
   glClearColor(1.0f, 0.5f, 0.25f, 0.5f);
   glClear(GL_COLOR_BUFFER_BIT);
 
@@ -120,6 +132,10 @@
 }
 
 TEST_P(GLClearFramebufferTest, ClearColorWithMask) {
+  if (!IsApplicable()) {
+    return;
+  }
+
   glColorMask(GL_TRUE, GL_FALSE, GL_FALSE, GL_FALSE);
   glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
   glClear(GL_COLOR_BUFFER_BIT);
@@ -133,6 +149,10 @@
 // crbug.com/434094
 #if !defined(OS_MACOSX)
 TEST_P(GLClearFramebufferTest, ClearColorWithScissor) {
+  if (!IsApplicable()) {
+    return;
+  }
+
   glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
   glClear(GL_COLOR_BUFFER_BIT);
 
@@ -153,6 +173,10 @@
 #endif
 
 TEST_P(GLClearFramebufferTest, ClearDepthStencil) {
+  if (!IsApplicable()) {
+    return;
+  }
+
   const GLuint kStencilRef = 1 << 2;
   InitDraw();
   SetDrawColor(1.0f, 0.0f, 0.0f, 1.0f);