Cleanup: Remove unused include headers and forward declarations

BUG=None

Review URL: https://codereview.chromium.org/311263009

git-svn-id: svn://svn.chromium.org/blink/trunk@175689 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/rendering/compositing/CompositedLayerMapping.cpp

@@ -27,11 +27,10 @@
 
 #include "core/rendering/compositing/CompositedLayerMapping.h"
 
-#include "CSSPropertyNames.h"
 #include "HTMLNames.h"
 #include "RuntimeEnabledFeatures.h"
-#include "core/animation/ActiveAnimations.h"
 #include "core/fetch/ImageResource.h"
+#include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLIFrameElement.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/canvas/CanvasRenderingContext.h"
@@ -40,18 +39,13 @@
 #include "core/inspector/InspectorTraceEvents.h"
 #include "core/page/Chrome.h"
 #include "core/frame/FrameView.h"
-#include "core/frame/Settings.h"
 #include "core/page/scrolling/ScrollingCoordinator.h"
 #include "core/plugins/PluginView.h"
 #include "core/rendering/FilterEffectRenderer.h"
-#include "core/rendering/RenderApplet.h"
-#include "core/rendering/RenderEmbeddedObject.h"
-#include "core/rendering/RenderIFrame.h"
 #include "core/rendering/RenderImage.h"
 #include "core/rendering/RenderLayerStackingNodeIterator.h"
 #include "core/rendering/RenderVideo.h"
 #include "core/rendering/RenderView.h"
-#include "core/rendering/compositing/GraphicsLayerUpdater.h"
 #include "core/rendering/compositing/RenderLayerCompositor.h"
 #include "core/rendering/style/KeyframeList.h"
 #include "platform/LengthFunctions.h"

third_party/WebKit/Source/core/rendering/compositing/CompositedLayerMapping.h

@@ -32,11 +32,9 @@
 #include "platform/geometry/FloatPoint3D.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/graphics/GraphicsLayerClient.h"
-#include "platform/transforms/TransformationMatrix.h"
 
 namespace WebCore {
 
-class KeyframeList;
 class RenderLayerCompositor;
 
 // A GraphicsLayerPaintInfo contains all the info needed to paint a partial subtree of RenderLayers into a GraphicsLayer.

third_party/WebKit/Source/core/rendering/compositing/CompositingReasonFinder.cpp

@@ -5,27 +5,9 @@
 #include "config.h"
 #include "core/rendering/compositing/CompositingReasonFinder.h"
 
-#include "CSSPropertyNames.h"
-#include "HTMLNames.h"
 #include "core/frame/FrameView.h"
-#include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
-#include "core/html/HTMLCanvasElement.h"
-#include "core/html/HTMLIFrameElement.h"
-#include "core/html/HTMLMediaElement.h"
-#include "core/html/canvas/CanvasRenderingContext.h"
-#include "core/page/Chrome.h"
 #include "core/page/Page.h"
-#include "core/rendering/RenderApplet.h"
-#include "core/rendering/RenderEmbeddedObject.h"
-#include "core/rendering/RenderFullScreen.h"
-#include "core/rendering/RenderGeometryMap.h"
-#include "core/rendering/RenderIFrame.h"
-#include "core/rendering/RenderLayer.h"
-#include "core/rendering/RenderLayerStackingNode.h"
-#include "core/rendering/RenderLayerStackingNodeIterator.h"
-#include "core/rendering/RenderReplica.h"
-#include "core/rendering/RenderVideo.h"
 #include "core/rendering/RenderView.h"
 #include "core/rendering/compositing/RenderLayerCompositor.h"
 

third_party/WebKit/Source/core/rendering/compositing/CompositingReasonFinder.h

@@ -11,7 +11,6 @@
 
 namespace WebCore {
 
-class RenderLayer;
 class RenderObject;
 class RenderView;
 

third_party/WebKit/Source/core/rendering/compositing/CompositingRequirementsUpdater.cpp

@@ -27,45 +27,10 @@
 #include "config.h"
 #include "core/rendering/compositing/CompositingRequirementsUpdater.h"
 
-#include "CSSPropertyNames.h"
-#include "HTMLNames.h"
-#include "RuntimeEnabledFeatures.h"
-#include "core/animation/ActiveAnimations.h"
-#include "core/animation/DocumentAnimations.h"
-#include "core/dom/FullscreenElementStack.h"
-#include "core/dom/NodeList.h"
-#include "core/frame/FrameView.h"
-#include "core/frame/LocalFrame.h"
-#include "core/frame/Settings.h"
-#include "core/html/HTMLCanvasElement.h"
-#include "core/html/HTMLIFrameElement.h"
-#include "core/html/HTMLMediaElement.h"
-#include "core/html/canvas/CanvasRenderingContext.h"
-#include "core/inspector/InspectorInstrumentation.h"
-#include "core/page/Chrome.h"
-#include "core/page/Page.h"
-#include "core/page/scrolling/ScrollingConstraints.h"
-#include "core/page/scrolling/ScrollingCoordinator.h"
-#include "core/rendering/HitTestResult.h"
-#include "core/rendering/RenderApplet.h"
-#include "core/rendering/RenderEmbeddedObject.h"
-#include "core/rendering/RenderFullScreen.h"
-#include "core/rendering/RenderIFrame.h"
 #include "core/rendering/RenderLayerStackingNode.h"
 #include "core/rendering/RenderLayerStackingNodeIterator.h"
-#include "core/rendering/RenderReplica.h"
-#include "core/rendering/RenderVideo.h"
 #include "core/rendering/RenderView.h"
-#include "core/rendering/compositing/CompositedLayerMapping.h"
-#include "core/rendering/compositing/GraphicsLayerUpdater.h"
 #include "core/rendering/compositing/RenderLayerCompositor.h"
-#include "platform/OverscrollTheme.h"
-#include "platform/TraceEvent.h"
-#include "platform/geometry/TransformState.h"
-#include "platform/graphics/GraphicsLayer.h"
-#include "platform/scroll/ScrollbarTheme.h"
-#include "public/platform/Platform.h"
-#include "wtf/TemporaryChange.h"
 
 namespace WebCore {
 

third_party/WebKit/Source/core/rendering/compositing/GraphicsLayerUpdater.cpp

@@ -31,10 +31,8 @@
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderLayerReflectionInfo.h"
 #include "core/rendering/RenderPart.h"
-#include "core/rendering/RenderView.h"
 #include "core/rendering/compositing/CompositedLayerMapping.h"
 #include "core/rendering/compositing/RenderLayerCompositor.h"
-#include "public/platform/Platform.h"
 
 namespace WebCore {
 

third_party/WebKit/Source/core/rendering/compositing/GraphicsLayerUpdater.h

@@ -28,13 +28,10 @@
 #define GraphicsLayerUpdater_h
 
 #include "platform/graphics/GraphicsLayer.h"
-#include "wtf/Vector.h"
 
 namespace WebCore {
 
 class RenderLayer;
-class RenderPart;
-class RenderView;
 
 class GraphicsLayerUpdater {
     class UpdateContext {

third_party/WebKit/Source/core/rendering/compositing/RenderLayerCompositor.cpp

@@ -27,35 +27,21 @@
 
 #include "core/rendering/compositing/RenderLayerCompositor.h"
 
-#include "CSSPropertyNames.h"
-#include "HTMLNames.h"
 #include "RuntimeEnabledFeatures.h"
-#include "core/animation/ActiveAnimations.h"
 #include "core/animation/DocumentAnimations.h"
 #include "core/dom/FullscreenElementStack.h"
-#include "core/dom/NodeList.h"
 #include "core/dom/ScriptForbiddenScope.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
-#include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLIFrameElement.h"
-#include "core/html/HTMLMediaElement.h"
-#include "core/html/canvas/CanvasRenderingContext.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/inspector/InspectorNodeIds.h"
 #include "core/page/Chrome.h"
 #include "core/page/Page.h"
-#include "core/page/scrolling/ScrollingConstraints.h"
 #include "core/page/scrolling/ScrollingCoordinator.h"
-#include "core/rendering/HitTestResult.h"
-#include "core/rendering/RenderApplet.h"
-#include "core/rendering/RenderEmbeddedObject.h"
-#include "core/rendering/RenderFullScreen.h"
-#include "core/rendering/RenderIFrame.h"
 #include "core/rendering/RenderLayerStackingNode.h"
 #include "core/rendering/RenderLayerStackingNodeIterator.h"
-#include "core/rendering/RenderReplica.h"
 #include "core/rendering/RenderVideo.h"
 #include "core/rendering/RenderView.h"
 #include "core/rendering/compositing/CompositedLayerMapping.h"
@@ -63,21 +49,11 @@
 #include "core/rendering/compositing/CompositingRequirementsUpdater.h"
 #include "core/rendering/compositing/GraphicsLayerUpdater.h"
 #include "platform/OverscrollTheme.h"
-#include "platform/TraceEvent.h"
-#include "platform/geometry/TransformState.h"
 #include "platform/graphics/GraphicsLayer.h"
-#include "platform/scroll/ScrollbarTheme.h"
 #include "public/platform/Platform.h"
-#include "wtf/TemporaryChange.h"
-
-#ifndef NDEBUG
-#include "core/rendering/RenderTreeAsText.h"
-#endif
 
 namespace WebCore {
 
-using namespace HTMLNames;
-
 class DeprecatedDirtyCompositingDuringCompositingUpdate {
     WTF_MAKE_NONCOPYABLE(DeprecatedDirtyCompositingDuringCompositingUpdate);
 public: