Revert of ShapeDetection: add support for Text Detection in Mac

services/shape_detection/text_detection_impl_mac_unittest.mm

Index: services/shape_detection/text_detection_impl_mac_unittest.mm
diff --git a/services/shape_detection/text_detection_impl_mac_unittest.mm b/services/shape_detection/text_detection_impl_mac_unittest.mm
deleted file mode 100644
index 5333a5190b2d06180c810892d0f3c52803d09dfc..0000000000000000000000000000000000000000
--- a/services/shape_detection/text_detection_impl_mac_unittest.mm
+++ /dev/null
@@ -1,111 +0,0 @@
-// Copyright 2017 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 "services/shape_detection/text_detection_impl_mac.h"
-
-#include "base/command_line.h"
-#include "base/mac/mac_util.h"
-#include "base/mac/scoped_cftyperef.h"
-#include "base/mac/scoped_nsobject.h"
-#include "base/mac/sdk_forward_declarations.h"
-#include "base/run_loop.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/gl/gl_switches.h"
-
-namespace shape_detection {
-
-ACTION_P(RunClosure, closure) {
-  closure.Run();
-}
-
-class TextDetectionImplMacTest : public ::testing::Test {
- public:
-  ~TextDetectionImplMacTest() override = default;
-
-  void DetectCallback(std::vector<mojom::TextDetectionResultPtr> results) {
-    // CIDetectorTypeText doesn't return the decoded text, juts bounding boxes.
-    Detection(results.size());
-  }
-  MOCK_METHOD1(Detection, void(size_t));
-
-  TextDetectionImplMac impl_;
-  const base::MessageLoop message_loop_;
-};
-
-TEST_F(TextDetectionImplMacTest, CreateAndDestroy) {}
-
-// This test generates an image with a single text line and scans it back.
-TEST_F(TextDetectionImplMacTest, ScanOnce) {
-  // Text detection needs at least MAC OS X 10.11, and GPU infrastructure.
-  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kUseGpuInTests) ||
-      !base::mac::IsAtLeastOS10_11()) {
-    return;
-  }
-
-  base::ScopedCFTypeRef<CGColorSpaceRef> rgb_colorspace(
-      CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB));
-
-  const int width = 200;
-  const int height = 50;
-  base::ScopedCFTypeRef<CGContextRef> context(CGBitmapContextCreate(
-      nullptr, width, height, 8 /* bitsPerComponent */,
-      width * 4 /* rowBytes */, rgb_colorspace,
-      kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host));
-
-  // Draw a white background.
-  CGContextSetRGBFillColor(context, 1.0, 1.0, 1.0, 1.0);
-  CGContextFillRect(context, CGRectMake(0.0, 0.0, width, height));
-
-  // Create a line of Helvetica 16 text, and draw it in the |context|.
-  base::scoped_nsobject<NSFont> helvetica(
-      [NSFont fontWithName:@"Helvetica" size:16]);
-  NSDictionary* attributes = [NSDictionary
-      dictionaryWithObjectsAndKeys:helvetica, kCTFontAttributeName, nil];
-
-  base::scoped_nsobject<NSAttributedString> info([[NSAttributedString alloc]
-      initWithString:@"https://www.chromium.org"
-          attributes:attributes]);
-
-  base::ScopedCFTypeRef<CTLineRef> line(
-      CTLineCreateWithAttributedString((CFAttributedStringRef)info.get()));
-
-  CGContextSetTextPosition(context, 10.0, height / 2.0);
-  CTLineDraw(line, context);
-
-  // Extract a CGImage and its raw pixels from |context|.
-  base::ScopedCFTypeRef<CGImageRef> cg_image(
-      CGBitmapContextCreateImage(context));
-  EXPECT_EQ(static_cast<size_t>(width), CGImageGetWidth(cg_image));
-  EXPECT_EQ(static_cast<size_t>(height), CGImageGetHeight(cg_image));
-
-  base::ScopedCFTypeRef<CFDataRef> raw_cg_image_data(
-      CGDataProviderCopyData(CGImageGetDataProvider(cg_image)));
-  EXPECT_TRUE(CFDataGetBytePtr(raw_cg_image_data));
-  const int num_bytes = width * height * 4;
-  EXPECT_EQ(num_bytes, CFDataGetLength(raw_cg_image_data));
-
-  // Generate a new ScopedSharedBufferHandle of the aproppriate size, map it and
-  // copy the generated text image pixels into it.
-  auto handle = mojo::SharedBufferHandle::Create(num_bytes);
-  ASSERT_TRUE(handle->is_valid());
-
-  mojo::ScopedSharedBufferMapping mapping = handle->Map(num_bytes);
-  ASSERT_TRUE(mapping);
-
-  memcpy(mapping.get(), CFDataGetBytePtr(raw_cg_image_data), num_bytes);
-
-  base::RunLoop run_loop;
-  base::Closure quit_closure = run_loop.QuitClosure();
-  // Send the image to Detect() and expect the response in callback.
-  EXPECT_CALL(*this, Detection(1)).WillOnce(RunClosure(quit_closure));
-  impl_.Detect(std::move(handle), width, height,
-               base::Bind(&TextDetectionImplMacTest::DetectCallback,
-                          base::Unretained(this)));
-
-  run_loop.Run();
-}
-
-}  // shape_detection namespace