NaCl: Remove second variant of MakeSharedMemorySegmentViaIPC()

chrome/renderer/renderer_sandbox_support_linux.h

Index: chrome/renderer/renderer_sandbox_support_linux.h
diff --git a/chrome/renderer/renderer_sandbox_support_linux.h b/chrome/renderer/renderer_sandbox_support_linux.h
index 1b71f387fb0938876ce7dfc41352087e172778b9..60594146733d19deb1e15dcdd30c9394ed827c5f 100644
--- a/chrome/renderer/renderer_sandbox_support_linux.h
+++ b/chrome/renderer/renderer_sandbox_support_linux.h
@@ -29,13 +29,9 @@ void getRenderStyleForStrike(const char* family, int sizeAndStyle,
                              WebKit::WebFontRenderStyle* out);
 
 // Returns a file descriptor for a shared memory segment.
-// TODO(mseaborn): Remove this when the call site is gone from native_client.
-int MakeSharedMemorySegmentViaIPC(size_t length);
-
-// Returns a file descriptor for a shared memory segment.
 // The second argument is ignored because SHM segments are always
 // mappable with PROT_EXEC on Linux.
-int MakeSharedMemorySegmentViaIPCExecutable(size_t length, bool executable);
+int MakeSharedMemorySegmentViaIPC(size_t length, bool executable);
 
 // Return a read-only file descriptor to the font which best matches the given
 // properties or -1 on failure.