Update from https://crrev.com/306655

cc/resources/texture_uploader_unittest.cc

 // Copyright 2014 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 "cc/resources/texture_uploader.h"
 
 #include "cc/base/util.h"
 #include "cc/resources/prioritized_resource.h"
 #include "gpu/command_buffer/client/gles2_interface_stub.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 93 matching lines @@
         }
         break;
       case GL_LUMINANCE:
         EXPECT_EQ(static_cast<unsigned>(GL_UNSIGNED_BYTE), type);
         bytes_per_pixel = 1;
         break;
       case GL_LUMINANCE_ALPHA:
         EXPECT_EQ(static_cast<unsigned>(GL_UNSIGNED_BYTE), type);
         bytes_per_pixel = 2;
         break;
+      case GL_RED_EXT:
+        EXPECT_EQ(static_cast<unsigned>(GL_UNSIGNED_BYTE), type);
+        bytes_per_pixel = 1;
+        break;
+      case GL_RG_EXT:
+        EXPECT_EQ(static_cast<unsigned>(GL_UNSIGNED_BYTE), type);
+        bytes_per_pixel = 2;
+        break;
     }
 
     // If NULL, we aren't checking texture contents.
     if (pixels == NULL)
       return;
 
     const uint8* bytes = static_cast<const uint8*>(pixels);
     // We'll expect the first byte of every row to be 0x1, and the last byte to
     // be 0x2.
     const unsigned int stride =
@@ skipping 101 matching lines @@
   UploadTexture(uploader.get(), ALPHA_8, gfx::Size(41, 86), buffer);
 
   // Upload a tightly packed 82x86 LUMINANCE texture.
   memset(buffer, 0, sizeof(buffer));
   for (int i = 0; i < 86; ++i) {
     // Mark the beginning and end of each row, for the test.
     buffer[i * 1 * 82] = 0x1;
     buffer[(i + 1) * 82 - 1] = 0x2;
   }
   UploadTexture(uploader.get(), LUMINANCE_8, gfx::Size(82, 86), buffer);
+
+  // Upload a tightly packed 82x86 RED texture.
+  memset(buffer, 0, sizeof(buffer));
+  for (int i = 0; i < 86; ++i) {
+    // Mark the beginning and end of each row, for the test.
+    buffer[i * 1 * 82] = 0x1;
+    buffer[(i + 1) * 82 - 1] = 0x2;
+  }
+  UploadTexture(uploader.get(), RED_8, gfx::Size(82, 86), buffer);
 }
 
 }  // namespace
 }  // namespace cc