TestPlugin to chromium c++ style.

content/shell/renderer/test_runner/test_plugin.cc

+// Copyright 2013 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/shell/renderer/test_runner/test_plugin.h"
+
+#include "base/basictypes.h"
+#include "base/bind.h"
+#include "base/logging.h"
+#include "base/memory/shared_memory.h"
+#include "base/strings/stringprintf.h"
+#include "content/public/renderer/render_thread.h"
+#include "content/shell/renderer/test_runner/WebTestDelegate.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "third_party/skia/include/core/SkCanvas.h"
+#include "third_party/skia/include/core/SkColor.h"
+#include "third_party/WebKit/public/platform/Platform.h"
+#include "third_party/WebKit/public/platform/WebCompositorSupport.h"
+#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
+#include "third_party/WebKit/public/web/WebFrame.h"
+#include "third_party/WebKit/public/web/WebInputEvent.h"
+#include "third_party/WebKit/public/web/WebKit.h"
+#include "third_party/WebKit/public/web/WebPluginParams.h"
+#include "third_party/WebKit/public/web/WebTouchPoint.h"
+#include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
+
+namespace content {
+
+namespace {
+
+// GLenum values copied from gl2.h.
+#define GL_FALSE 0
+#define GL_TRUE 1
+#define GL_ONE 1
+#define GL_TRIANGLES 0x0004
+#define GL_ONE_MINUS_SRC_ALPHA 0x0303
+#define GL_DEPTH_TEST 0x0B71
+#define GL_BLEND 0x0BE2
+#define GL_SCISSOR_TEST 0x0B90
+#define GL_TEXTURE_2D 0x0DE1
+#define GL_FLOAT 0x1406
+#define GL_RGBA 0x1908
+#define GL_UNSIGNED_BYTE 0x1401
+#define GL_TEXTURE_MAG_FILTER 0x2800
+#define GL_TEXTURE_MIN_FILTER 0x2801
+#define GL_TEXTURE_WRAP_S 0x2802
+#define GL_TEXTURE_WRAP_T 0x2803
+#define GL_NEAREST 0x2600
+#define GL_COLOR_BUFFER_BIT 0x4000
+#define GL_CLAMP_TO_EDGE 0x812F
+#define GL_ARRAY_BUFFER 0x8892
+#define GL_STATIC_DRAW 0x88E4
+#define GL_FRAGMENT_SHADER 0x8B30
+#define GL_VERTEX_SHADER 0x8B31
+#define GL_COMPILE_STATUS 0x8B81
+#define GL_LINK_STATUS 0x8B82
+#define GL_COLOR_ATTACHMENT0 0x8CE0
+#define GL_FRAMEBUFFER_COMPLETE 0x8CD5
+#define GL_FRAMEBUFFER 0x8D40
+
+void PremultiplyAlpha(const unsigned color_in[3],
+                      float alpha,
+                      float color_out[4]) {
+  for (int i = 0; i < 3; ++i)
+    color_out[i] = (color_in[i] / 255.0f) * alpha;
+
+  color_out[3] = alpha;
+}
+
+const char* PointState(blink::WebTouchPoint::State state) {
+  switch (state) {
+    case blink::WebTouchPoint::StateReleased:
+      return "Released";
+    case blink::WebTouchPoint::StatePressed:
+      return "Pressed";
+    case blink::WebTouchPoint::StateMoved:
+      return "Moved";
+    case blink::WebTouchPoint::StateCancelled:
+      return "Cancelled";
+    default:
+      return "Unknown";
+  }
+}
+
+void PrintTouchList(WebTestDelegate* delegate,
+                    const blink::WebTouchPoint* points,
+                    int length) {
+  for (int i = 0; i < length; ++i) {
+    delegate->printMessage(base::StringPrintf("* %.2f, %.2f: %s\n",
+                                              points[i].position.x,
+                                              points[i].position.y,
+                                              PointState(points[i].state)));
+  }
+}
+
+void PrintEventDetails(WebTestDelegate* delegate,
+                       const blink::WebInputEvent& event) {
+  if (blink::WebInputEvent::isTouchEventType(event.type)) {
+    const blink::WebTouchEvent& touch =
+        static_cast<const blink::WebTouchEvent&>(event);
+    PrintTouchList(delegate, touch.touches, touch.touchesLength);
+    PrintTouchList(delegate, touch.changedTouches, touch.changedTouchesLength);
+    PrintTouchList(delegate, touch.targetTouches, touch.targetTouchesLength);
+  } else if (blink::WebInputEvent::isMouseEventType(event.type) ||
+             event.type == blink::WebInputEvent::MouseWheel) {
+    const blink::WebMouseEvent& mouse =
+        static_cast<const blink::WebMouseEvent&>(event);
+    delegate->printMessage(base::StringPrintf("* %d, %d\n", mouse.x, mouse.y));
+  } else if (blink::WebInputEvent::isGestureEventType(event.type)) {
+    const blink::WebGestureEvent& gesture =
+        static_cast<const blink::WebGestureEvent&>(event);
+    delegate->printMessage(
+        base::StringPrintf("* %d, %d\n", gesture.x, gesture.y));
+  }
+}
+
+blink::WebPluginContainer::TouchEventRequestType ParseTouchEventRequestType(
+    const blink::WebString& string) {
+  if (string == blink::WebString::fromUTF8("raw"))
+    return blink::WebPluginContainer::TouchEventRequestTypeRaw;
+  if (string == blink::WebString::fromUTF8("synthetic"))
+    return blink::WebPluginContainer::TouchEventRequestTypeSynthesizedMouse;
+  return blink::WebPluginContainer::TouchEventRequestTypeNone;
+}
+
+void DeferredDelete(void* context) {
+  TestPlugin* plugin = static_cast<TestPlugin*>(context);
+  delete plugin;
+}
+
+}  // namespace
+
+TestPlugin::TestPlugin(blink::WebFrame* frame,
+                       const blink::WebPluginParams& params,
+                       WebTestDelegate* delegate)
+    : frame_(frame),
+      delegate_(delegate),
+      container_(0),
+      context_(0),
+      color_texture_(0),
+      mailbox_changed_(false),
+      framebuffer_(0),
+      touch_event_request_(
+          blink::WebPluginContainer::TouchEventRequestTypeNone),
+      re_request_touch_events_(false),
+      print_event_details_(false),
+      print_user_gesture_status_(false),
+      can_process_drag_(false),
+      is_persistent_(params.mimeType == PluginPersistsMimeType()),
+      can_create_without_renderer_(params.mimeType ==
+                                   CanCreateWithoutRendererMimeType()) {
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString, kAttributePrimitive, ("primitive"));
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString, kAttributeBackgroundColor, ("background-color"));
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString, kAttributePrimitiveColor, ("primitive-color"));
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString, kAttributeOpacity, ("opacity"));
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString, kAttributeAcceptsTouch, ("accepts-touch"));
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString, kAttributeReRequestTouchEvents, ("re-request-touch"));
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString, kAttributePrintEventDetails, ("print-event-details"));
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString, kAttributeCanProcessDrag, ("can-process-drag"));
+  const CR_DEFINE_STATIC_LOCAL(blink::WebString,
+                               kAttributePrintUserGestureStatus,
+                               ("print-user-gesture-status"));
+
+  DCHECK_EQ(params.attributeNames.size(), params.attributeValues.size());
+  size_t size = params.attributeNames.size();
+  for (size_t i = 0; i < size; ++i) {
+    const blink::WebString& attribute_name = params.attributeNames[i];
+    const blink::WebString& attribute_value = params.attributeValues[i];
+
+    if (attribute_name == kAttributePrimitive)
+      scene_.primitive = ParsePrimitive(attribute_value);
+    else if (attribute_name == kAttributeBackgroundColor)
+      ParseColor(attribute_value, scene_.background_color);
+    else if (attribute_name == kAttributePrimitiveColor)
+      ParseColor(attribute_value, scene_.primitive_color);
+    else if (attribute_name == kAttributeOpacity)
+      scene_.opacity = ParseOpacity(attribute_value);
+    else if (attribute_name == kAttributeAcceptsTouch)
+      touch_event_request_ = ParseTouchEventRequestType(attribute_value);
+    else if (attribute_name == kAttributeReRequestTouchEvents)
+      re_request_touch_events_ = ParseBoolean(attribute_value);
+    else if (attribute_name == kAttributePrintEventDetails)
+      print_event_details_ = ParseBoolean(attribute_value);
+    else if (attribute_name == kAttributeCanProcessDrag)
+      can_process_drag_ = ParseBoolean(attribute_value);
+    else if (attribute_name == kAttributePrintUserGestureStatus)
+      print_user_gesture_status_ = ParseBoolean(attribute_value);
+  }
+  if (can_create_without_renderer_)
+    delegate_->printMessage(
+        std::string("TestPlugin: canCreateWithoutRenderer\n"));
+}
+
+TestPlugin::~TestPlugin() {
+}
+
+bool TestPlugin::initialize(blink::WebPluginContainer* container) {
+  blink::WebGraphicsContext3D::Attributes attrs;
+  context_ =
+      blink::Platform::current()->createOffscreenGraphicsContext3D(attrs);
+
+  if (!InitScene())
+    return false;
+
+  layer_ = cc::TextureLayer::CreateForMailbox(this);
+  web_layer_ = make_scoped_ptr(InstantiateWebLayer(layer_));
+  container_ = container;
+  container_->setWebLayer(web_layer_.get());
+  if (re_request_touch_events_) {
+    container_->requestTouchEventType(
+        blink::WebPluginContainer::TouchEventRequestTypeSynthesizedMouse);
+    container_->requestTouchEventType(
+        blink::WebPluginContainer::TouchEventRequestTypeRaw);
+  }
+  container_->requestTouchEventType(touch_event_request_);
+  container_->setWantsWheelEvents(true);
+  return true;
+}
+
+void TestPlugin::destroy() {
+  if (layer_.get())
+    layer_->ClearTexture();
+  if (container_)
+    container_->setWebLayer(0);
+  web_layer_.reset();
+  layer_ = NULL;
+  DestroyScene();
+
+  delete context_;
+  context_ = 0;
+
+  container_ = 0;
+  frame_ = 0;
+
+  blink::Platform::current()->callOnMainThread(DeferredDelete, this);
+}
+
+NPObject* TestPlugin::scriptableObject() {
+  return 0;
+}
+
+bool TestPlugin::canProcessDrag() const {
+  return can_process_drag_;
+}
+
+void TestPlugin::updateGeometry(
+    const blink::WebRect& frame_rect,
+    const blink::WebRect& clip_rect,
+    const blink::WebVector<blink::WebRect>& cut_outs_rects,
+    bool is_visible) {
+  if (clip_rect == rect_)
+    return;
+  rect_ = clip_rect;
+
+  if (rect_.isEmpty()) {
+    texture_mailbox_ = cc::TextureMailbox();
+  } else if (context_) {
+    context_->viewport(0, 0, rect_.width, rect_.height);
+
+    context_->bindTexture(GL_TEXTURE_2D, color_texture_);
+    context_->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    context_->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    context_->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    context_->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    context_->texImage2D(GL_TEXTURE_2D,
+                         0,
+                         GL_RGBA,
+                         rect_.width,
+                         rect_.height,
+                         0,
+                         GL_RGBA,
+                         GL_UNSIGNED_BYTE,
+                         0);
+    context_->bindFramebuffer(GL_FRAMEBUFFER, framebuffer_);
+    context_->framebufferTexture2D(
+        GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, color_texture_, 0);
+
+    DrawSceneGL();
+
+    gpu::Mailbox mailbox;
+    context_->genMailboxCHROMIUM(mailbox.name);
+    context_->produceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name);
+    context_->flush();
+    uint32 sync_point = context_->insertSyncPoint();
+    texture_mailbox_ = cc::TextureMailbox(mailbox, GL_TEXTURE_2D, sync_point);
+  } else {
+    size_t bytes = 4 * rect_.width * rect_.height;
+    scoped_ptr<base::SharedMemory> bitmap =
+        RenderThread::Get()->HostAllocateSharedMemoryBuffer(bytes);
+    if (!bitmap->Map(bytes)) {
+      texture_mailbox_ = cc::TextureMailbox();
+    } else {
+      DrawSceneSoftware(bitmap->memory(), bytes);
+      texture_mailbox_ = cc::TextureMailbox(
+          bitmap.get(), gfx::Size(rect_.width, rect_.height));
+      shared_bitmap_ = bitmap.Pass();
+    }
+  }
+
+  mailbox_changed_ = true;
+  layer_->SetNeedsDisplay();
+}
+
+bool TestPlugin::acceptsInputEvents() {
+  return true;
+}
+
+bool TestPlugin::isPlaceholder() {
+  return false;
+}
+
+static void IgnoreReleaseCallback(uint32 sync_point, bool lost) {
+}
+
+static void ReleaseSharedMemory(scoped_ptr<base::SharedMemory> bitmap,
+                                uint32 sync_point,
+                                bool lost) {
+}
+
+bool TestPlugin::PrepareTextureMailbox(
+    cc::TextureMailbox* mailbox,
+    scoped_ptr<cc::SingleReleaseCallback>* release_callback,
+    bool use_shared_memory) {
+  if (!mailbox_changed_)
+    return false;
+  *mailbox = texture_mailbox_;
+  if (texture_mailbox_.IsTexture()) {
+    *release_callback =
+        cc::SingleReleaseCallback::Create(base::Bind(&IgnoreReleaseCallback));
+  } else {
+    *release_callback = cc::SingleReleaseCallback::Create(
+        base::Bind(&ReleaseSharedMemory, base::Passed(&shared_bitmap_)));
+  }
+  mailbox_changed_ = false;
+  return true;
+}
+
+TestPlugin::Primitive TestPlugin::ParsePrimitive(
+    const blink::WebString& string) {
+  const CR_DEFINE_STATIC_LOCAL(blink::WebString, kPrimitiveNone, ("none"));
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString, kPrimitiveTriangle, ("triangle"));
+
+  Primitive primitive = PrimitiveNone;
+  if (string == kPrimitiveNone)
+    primitive = PrimitiveNone;
+  else if (string == kPrimitiveTriangle)
+    primitive = PrimitiveTriangle;
+  else
+    NOTREACHED();
+  return primitive;
+}
+
+// FIXME: This method should already exist. Use it.
+// For now just parse primary colors.
+void TestPlugin::ParseColor(const blink::WebString& string, unsigned color[3]) {
+  color[0] = color[1] = color[2] = 0;
+  if (string == "black")
+    return;
+
+  if (string == "red")
+    color[0] = 255;
+  else if (string == "green")
+    color[1] = 255;
+  else if (string == "blue")
+    color[2] = 255;
+  else
+    NOTREACHED();
+}
+
+float TestPlugin::ParseOpacity(const blink::WebString& string) {
+  return static_cast<float>(atof(string.utf8().data()));
+}
+
+bool TestPlugin::ParseBoolean(const blink::WebString& string) {
+  const CR_DEFINE_STATIC_LOCAL(blink::WebString, kPrimitiveTrue, ("true"));
+  return string == kPrimitiveTrue;
+}
+
+bool TestPlugin::InitScene() {
+  if (!context_)
+    return true;
+
+  float color[4];
+  PremultiplyAlpha(scene_.background_color, scene_.opacity, color);
+
+  color_texture_ = context_->createTexture();
+  framebuffer_ = context_->createFramebuffer();
+
+  context_->viewport(0, 0, rect_.width, rect_.height);
+  context_->disable(GL_DEPTH_TEST);
+  context_->disable(GL_SCISSOR_TEST);
+
+  context_->clearColor(color[0], color[1], color[2], color[3]);
+
+  context_->enable(GL_BLEND);
+  context_->blendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+
+  return scene_.primitive != PrimitiveNone ? InitProgram() && InitPrimitive()
+                                           : true;
+}
+
+void TestPlugin::DrawSceneGL() {
+  context_->viewport(0, 0, rect_.width, rect_.height);
+  context_->clear(GL_COLOR_BUFFER_BIT);
+
+  if (scene_.primitive != PrimitiveNone)
+    DrawPrimitive();
+}
+
+void TestPlugin::DrawSceneSoftware(void* memory, size_t bytes) {
+  DCHECK_EQ(bytes, rect_.width * rect_.height * 4u);
+
+  SkColor background_color =
+      SkColorSetARGB(static_cast<uint8>(scene_.opacity * 255),
+                     scene_.background_color[0],
+                     scene_.background_color[1],
+                     scene_.background_color[2]);
+
+  const SkImageInfo info =
+      SkImageInfo::MakeN32Premul(rect_.width, rect_.height);
+  SkBitmap bitmap;
+  bitmap.installPixels(info, memory, info.minRowBytes());
+  SkCanvas canvas(bitmap);
+  canvas.clear(background_color);
+
+  if (scene_.primitive != PrimitiveNone) {
+    DCHECK_EQ(PrimitiveTriangle, scene_.primitive);
+    SkColor foreground_color =
+        SkColorSetARGB(static_cast<uint8>(scene_.opacity * 255),
+                       scene_.primitive_color[0],
+                       scene_.primitive_color[1],
+                       scene_.primitive_color[2]);
+    SkPath triangle_path;
+    triangle_path.moveTo(0.5f * rect_.width, 0.9f * rect_.height);
+    triangle_path.lineTo(0.1f * rect_.width, 0.1f * rect_.height);
+    triangle_path.lineTo(0.9f * rect_.width, 0.1f * rect_.height);
+    SkPaint paint;
+    paint.setColor(foreground_color);
+    paint.setStyle(SkPaint::kFill_Style);
+    canvas.drawPath(triangle_path, paint);
+  }
+}
+
+void TestPlugin::DestroyScene() {
+  if (scene_.program) {
+    context_->deleteProgram(scene_.program);
+    scene_.program = 0;
+  }
+  if (scene_.vbo) {
+    context_->deleteBuffer(scene_.vbo);
+    scene_.vbo = 0;
+  }
+
+  if (framebuffer_) {
+    context_->deleteFramebuffer(framebuffer_);
+    framebuffer_ = 0;
+  }
+
+  if (color_texture_) {
+    context_->deleteTexture(color_texture_);
+    color_texture_ = 0;
+  }
+}
+
+bool TestPlugin::InitProgram() {
+  const std::string vertex_source(
+      "attribute vec4 position;  \n"
+      "void main() {             \n"
+      "  gl_Position = position; \n"
+      "}                         \n");
+
+  const std::string fragment_source(
+      "precision mediump float; \n"
+      "uniform vec4 color;      \n"
+      "void main() {            \n"
+      "  gl_FragColor = color;  \n"
+      "}                        \n");
+
+  scene_.program = LoadProgram(vertex_source, fragment_source);
+  if (!scene_.program)
+    return false;
+
+  scene_.color_location = context_->getUniformLocation(scene_.program, "color");
+  scene_.position_location =
+      context_->getAttribLocation(scene_.program, "position");
+  return true;
+}
+
+bool TestPlugin::InitPrimitive() {
+  DCHECK_EQ(scene_.primitive, PrimitiveTriangle);
+
+  scene_.vbo = context_->createBuffer();
+  if (!scene_.vbo)
+    return false;
+
+  const float vertices[] = {0.0f, 0.8f, 0.0f,  -0.8f, -0.8f,
+                            0.0f, 0.8f, -0.8f, 0.0f};
+  context_->bindBuffer(GL_ARRAY_BUFFER, scene_.vbo);
+  context_->bufferData(GL_ARRAY_BUFFER, sizeof(vertices), 0, GL_STATIC_DRAW);
+  context_->bufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices);
+  return true;
+}
+
+void TestPlugin::DrawPrimitive() {
+  DCHECK_EQ(scene_.primitive, PrimitiveTriangle);
+  DCHECK(scene_.vbo);
+  DCHECK(scene_.program);
+
+  context_->useProgram(scene_.program);
+
+  // Bind primitive color.
+  float color[4];
+  PremultiplyAlpha(scene_.primitive_color, scene_.opacity, color);
+  context_->uniform4f(
+      scene_.color_location, color[0], color[1], color[2], color[3]);
+
+  // Bind primitive vertices.
+  context_->bindBuffer(GL_ARRAY_BUFFER, scene_.vbo);
+  context_->enableVertexAttribArray(scene_.position_location);
+  context_->vertexAttribPointer(
+      scene_.position_location, 3, GL_FLOAT, GL_FALSE, 0, 0);
+  context_->drawArrays(GL_TRIANGLES, 0, 3);
+}
+
+unsigned TestPlugin::LoadShader(unsigned type, const std::string& source) {
+  unsigned shader = context_->createShader(type);
+  if (shader) {
+    context_->shaderSource(shader, source.data());
+    context_->compileShader(shader);
+
+    int compiled = 0;
+    context_->getShaderiv(shader, GL_COMPILE_STATUS, &compiled);
+    if (!compiled) {
+      context_->deleteShader(shader);
+      shader = 0;
+    }
+  }
+  return shader;
+}
+
+unsigned TestPlugin::LoadProgram(const std::string& vertex_source,
+                                 const std::string& fragment_source) {
+  unsigned vertex_shader = LoadShader(GL_VERTEX_SHADER, vertex_source);
+  unsigned fragment_shader = LoadShader(GL_FRAGMENT_SHADER, fragment_source);
+  unsigned program = context_->createProgram();
+  if (vertex_shader && fragment_shader && program) {
+    context_->attachShader(program, vertex_shader);
+    context_->attachShader(program, fragment_shader);
+    context_->linkProgram(program);
+
+    int linked = 0;
+    context_->getProgramiv(program, GL_LINK_STATUS, &linked);
+    if (!linked) {
+      context_->deleteProgram(program);
+      program = 0;
+    }
+  }
+  if (vertex_shader)
+    context_->deleteShader(vertex_shader);
+  if (fragment_shader)
+    context_->deleteShader(fragment_shader);
+
+  return program;
+}
+
+bool TestPlugin::handleInputEvent(const blink::WebInputEvent& event,
+                                  blink::WebCursorInfo& info) {
+  const char* event_name = 0;
+  switch (event.type) {
+    case blink::WebInputEvent::Undefined:
+      event_name = "unknown";
+      break;
+
+    case blink::WebInputEvent::MouseDown:
+      event_name = "MouseDown";
+      break;
+    case blink::WebInputEvent::MouseUp:
+      event_name = "MouseUp";
+      break;
+    case blink::WebInputEvent::MouseMove:
+      event_name = "MouseMove";
+      break;
+    case blink::WebInputEvent::MouseEnter:
+      event_name = "MouseEnter";
+      break;
+    case blink::WebInputEvent::MouseLeave:
+      event_name = "MouseLeave";
+      break;
+    case blink::WebInputEvent::ContextMenu:
+      event_name = "ContextMenu";
+      break;
+
+    case blink::WebInputEvent::MouseWheel:
+      event_name = "MouseWheel";
+      break;
+
+    case blink::WebInputEvent::RawKeyDown:
+      event_name = "RawKeyDown";
+      break;
+    case blink::WebInputEvent::KeyDown:
+      event_name = "KeyDown";
+      break;
+    case blink::WebInputEvent::KeyUp:
+      event_name = "KeyUp";
+      break;
+    case blink::WebInputEvent::Char:
+      event_name = "Char";
+      break;
+
+    case blink::WebInputEvent::GestureScrollBegin:
+      event_name = "GestureScrollBegin";
+      break;
+    case blink::WebInputEvent::GestureScrollEnd:
+      event_name = "GestureScrollEnd";
+      break;
+    case blink::WebInputEvent::GestureScrollUpdateWithoutPropagation:
+    case blink::WebInputEvent::GestureScrollUpdate:
+      event_name = "GestureScrollUpdate";
+      break;
+    case blink::WebInputEvent::GestureFlingStart:
+      event_name = "GestureFlingStart";
+      break;
+    case blink::WebInputEvent::GestureFlingCancel:
+      event_name = "GestureFlingCancel";
+      break;
+    case blink::WebInputEvent::GestureTap:
+      event_name = "GestureTap";
+      break;
+    case blink::WebInputEvent::GestureTapUnconfirmed:
+      event_name = "GestureTapUnconfirmed";
+      break;
+    case blink::WebInputEvent::GestureTapDown:
+      event_name = "GestureTapDown";
+      break;
+    case blink::WebInputEvent::GestureShowPress:
+      event_name = "GestureShowPress";
+      break;
+    case blink::WebInputEvent::GestureTapCancel:
+      event_name = "GestureTapCancel";
+      break;
+    case blink::WebInputEvent::GestureDoubleTap:
+      event_name = "GestureDoubleTap";
+      break;
+    case blink::WebInputEvent::GestureTwoFingerTap:
+      event_name = "GestureTwoFingerTap";
+      break;
+    case blink::WebInputEvent::GestureLongPress:
+      event_name = "GestureLongPress";
+      break;
+    case blink::WebInputEvent::GestureLongTap:
+      event_name = "GestureLongTap";
+      break;
+    case blink::WebInputEvent::GesturePinchBegin:
+      event_name = "GesturePinchBegin";
+      break;
+    case blink::WebInputEvent::GesturePinchEnd:
+      event_name = "GesturePinchEnd";
+      break;
+    case blink::WebInputEvent::GesturePinchUpdate:
+      event_name = "GesturePinchUpdate";
+      break;
+
+    case blink::WebInputEvent::TouchStart:
+      event_name = "TouchStart";
+      break;
+    case blink::WebInputEvent::TouchMove:
+      event_name = "TouchMove";
+      break;
+    case blink::WebInputEvent::TouchEnd:
+      event_name = "TouchEnd";
+      break;
+    case blink::WebInputEvent::TouchCancel:
+      event_name = "TouchCancel";
+      break;
+  }
+
+  delegate_->printMessage(std::string("Plugin received event: ") +
+                          (event_name ? event_name : "unknown") + "\n");
+  if (print_event_details_)
+    PrintEventDetails(delegate_, event);
+  if (print_user_gesture_status_)
+    delegate_->printMessage(
+        std::string("* ") +
+        (blink::WebUserGestureIndicator::isProcessingUserGesture() ? ""
+                                                                   : "not ") +
+        "handling user gesture\n");
+  if (is_persistent_)
+    delegate_->printMessage(std::string("TestPlugin: isPersistent\n"));
+  return false;
+}
+
+bool TestPlugin::handleDragStatusUpdate(
+    blink::WebDragStatus drag_status,
+    const blink::WebDragData& data,
+    blink::WebDragOperationsMask mask,
+    const blink::WebPoint& position,
+    const blink::WebPoint& screen_position) {
+  const char* drag_status_name = 0;
+  switch (drag_status) {
+    case blink::WebDragStatusEnter:
+      drag_status_name = "DragEnter";
+      break;
+    case blink::WebDragStatusOver:
+      drag_status_name = "DragOver";
+      break;
+    case blink::WebDragStatusLeave:
+      drag_status_name = "DragLeave";
+      break;
+    case blink::WebDragStatusDrop:
+      drag_status_name = "DragDrop";
+      break;
+    case blink::WebDragStatusUnknown:
+      NOTREACHED();
+  }
+  delegate_->printMessage(std::string("Plugin received event: ") +
+                          drag_status_name + "\n");
+  return false;
+}
+
+TestPlugin* TestPlugin::create(blink::WebFrame* frame,
+                               const blink::WebPluginParams& params,
+                               WebTestDelegate* delegate) {
+  return new TestPlugin(frame, params, delegate);
+}
+
+const blink::WebString& TestPlugin::MimeType() {
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString, kMimeType, ("application/x-webkit-test-webplugin"));
+  return kMimeType;
+}
+
+const blink::WebString& TestPlugin::CanCreateWithoutRendererMimeType() {
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString,
+      kCanCreateWithoutRendererMimeType,
+      ("application/x-webkit-test-webplugin-can-create-without-renderer"));
+  return kCanCreateWithoutRendererMimeType;
+}
+
+const blink::WebString& TestPlugin::PluginPersistsMimeType() {
+  const CR_DEFINE_STATIC_LOCAL(
+      blink::WebString,
+      kPluginPersistsMimeType,
+      ("application/x-webkit-test-webplugin-persistent"));
+  return kPluginPersistsMimeType;
+}
+
+bool TestPlugin::IsSupportedMimeType(const blink::WebString& mime_type) {
+  return mime_type == TestPlugin::MimeType() ||
+         mime_type == PluginPersistsMimeType() ||
+         mime_type == CanCreateWithoutRendererMimeType();
+}
+
+}  // namespace content