CL for perf tryjob on mac

third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h

Index: third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
diff --git a/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h b/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
index d2dfc7e4d1f51a056f33e4b19e32b428bdb8f981..f3d56a8dad469c999b944620116a70d26dea520c 100644
--- a/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
+++ b/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
@@ -126,6 +126,21 @@ public:
     void setLoggerForTesting(PassOwnPtr<Logger>);
 
 private:
+    struct MailboxInfo {
+        DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
+        WebExternalTextureMailbox m_mailbox;
+        RefPtr<SkImage> m_image;
+        RefPtr<Canvas2DLayerBridge> m_parentLayerBridge;
+
+        // If this mailbox wraps an IOSurface-backed texture, the ids of the
+        // CHROMIUM image and the texture.
+        GLuint m_CHROMIUMImageId = 0;
+        GLuint m_textureId = 0;
+
+        MailboxInfo(const MailboxInfo&);
+        MailboxInfo() {}
+    };
+
     Canvas2DLayerBridge(PassOwnPtr<WebGraphicsContext3DProvider>, const IntSize&, int msaaSampleCount, OpacityMode, AccelerationMode);
     WebGraphicsContext3D* context();
     void startRecording();
@@ -141,6 +156,30 @@ private:
     SkSurface* getOrCreateSurface(AccelerationHint = PreferAcceleration);
     bool shouldAccelerate(AccelerationHint) const;
 
+    // Returns the GL filter associated with |m_filterQuality|.
+    GLenum getGLFilter();
+
+    // Creates an IOSurface-backed texture. Copies |image| into the texture.
+    // Prepares a mailbox from the texture. Stores all information in a newly
+    // created MailboxInfo, which resides in |m_mailboxes|. Returns whether the
+    // mailbox was successfully prepared. |mailbox| is an out parameter only
+    // populated on success.
+    bool prepareIOSurfaceMailboxFromImage(RefPtr<SkImage>&, WebExternalTextureMailbox*);
+
+    // Creates an IOSurface-backed texture. Returns whether the texture ewas
+    // successfully created. |texture| and |imageId| are out parameters. The
+    // caller takes ownership of both the texture and the image.
+    bool createIOSurfaceBackedTexture(GLuint* texture, GLuint* imageId);
+
+    // Prepends a new MailboxInfo object to |m_mailboxes|, and returns a
+    // reference. The reference is no longer valid after |m_mailboxes| is
+    // mutated.
+    MailboxInfo& createMailboxInfo();
+
+    // Returns whether the mailbox was successfully prepared from the SkImage.
+    // The mailbox is an out parameter only populated on success.
+    bool prepareMailboxFromImage(RefPtr<SkImage>&, WebExternalTextureMailbox*);
+
     OwnPtr<SkPictureRecorder> m_recorder;
     RefPtr<SkSurface> m_surface;
     RefPtr<SkImage> m_hibernationImage;
@@ -166,16 +205,6 @@ private:
 
     friend class Canvas2DLayerBridgeTest;
 
-    struct MailboxInfo {
-        DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
-        WebExternalTextureMailbox m_mailbox;
-        RefPtr<SkImage> m_image;
-        RefPtr<Canvas2DLayerBridge> m_parentLayerBridge;
-
-        MailboxInfo(const MailboxInfo&);
-        MailboxInfo() {}
-    };
-
     uint32_t m_lastImageId;
 
     enum {